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54545909502 = 23747118723279
BaseRepresentation
bin110010110011001100…
…001000011011111110
312012210101202022010110
4302303030020123332
51343202223101002
641020312050450
73640461403140
oct626314103376
9165711668113
1054545909502
1121150820157
12a6a3393a26
1351b37cbac6
1428d638ac90
151643a00e6c
hexcb33086fe

54545909502 has 64 divisors (see below), whose sum is σ = 127441797120. Its totient is φ = 15239454816.

The previous prime is 54545909497. The next prime is 54545909507. The reversal of 54545909502 is 20590954545.

It is an interprime number because it is at equal distance from previous prime (54545909497) and next prime (54545909507).

It is a super-3 number, since 3×545459095023 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54545909507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2331499 + ... + 2354777.

It is an arithmetic number, because the mean of its divisors is an integer number (1991278080).

Almost surely, 254545909502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54545909502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63720898560).

54545909502 is an abundant number, since it is smaller than the sum of its proper divisors (72895887618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54545909502 is a wasteful number, since it uses less digits than its factorization.

54545909502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24525.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 54545909502 in words is "fifty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred two".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1187 1974 2374 3561 7122 8309 16618 23279 24927 46558 49854 55789 69837 111578 139674 162953 167367 325906 334734 390523 488859 781046 977718 1094113 1171569 2188226 2343138 3282339 6564678 7658791 15317582 22976373 27632173 45952746 55264346 82896519 165793038 193425211 386850422 580275633 1160551266 1298712131 2597424262 3896136393 7792272786 9090984917 18181969834 27272954751 54545909502