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55327357757 = 752181151471
BaseRepresentation
bin110011100001110001…
…000111101100111101
312021210212011222121102
4303201301013230331
51401302300422012
641230025142445
73666030532010
oct634161075475
9167725158542
1055327357757
112151193a861
12a88102aa25
1352a9687819
14296c087377
15168c4112c2
hexce1c47b3d

55327357757 has 8 divisors (see below), whose sum is σ = 63232895232. Its totient is φ = 47422227600.

The previous prime is 55327357727. The next prime is 55327357817. The reversal of 55327357757 is 75775372355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55327357757 - 212 = 55327353661 is a prime.

It is a super-2 number, since 2×553273577572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55327357727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289532 + ... + 441002.

It is an arithmetic number, because the mean of its divisors is an integer number (7904111904).

Almost surely, 255327357757 is an apocalyptic number.

It is an amenable number.

55327357757 is a deficient number, since it is larger than the sum of its proper divisors (7905537475).

55327357757 is a wasteful number, since it uses less digits than its factorization.

55327357757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203659.

The product of its digits is 27011250, while the sum is 56.

The spelling of 55327357757 in words is "fifty-five billion, three hundred twenty-seven million, three hundred fifty-seven thousand, seven hundred fifty-seven".

Divisors: 1 7 52181 151471 365267 1060297 7903908251 55327357757