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55845725943 = 3723175365957
BaseRepresentation
bin110100000000101010…
…100010011011110111
312100010222120211002010
4310000222202123313
51403333001212233
641353303415303
74014623560350
oct640052423367
9170128524063
1055845725943
1121758502517
12a9a6754533
13535cba1367
1429bac60d27
1516bcba6b63
hexd00aa26f7

55845725943 has 32 divisors (see below), whose sum is σ = 88850174976. Its totient is φ = 30506496768.

The previous prime is 55845725933. The next prime is 55845725953. The reversal of 55845725943 is 34952754855.

It is an interprime number because it is at equal distance from previous prime (55845725933) and next prime (55845725953).

It is not a de Polignac number, because 55845725943 - 212 = 55845721847 is a prime.

It is a super-2 number, since 2×558457259432 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845725933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813721 + ... + 879677.

It is an arithmetic number, because the mean of its divisors is an integer number (2776567968).

Almost surely, 255845725943 is an apocalyptic number.

55845725943 is a deficient number, since it is larger than the sum of its proper divisors (33004449033).

55845725943 is a wasteful number, since it uses less digits than its factorization.

55845725943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67743.

The product of its digits is 30240000, while the sum is 57.

The spelling of 55845725943 in words is "fifty-five billion, eight hundred forty-five million, seven hundred twenty-five thousand, nine hundred forty-three".

Divisors: 1 3 7 21 23 69 161 483 1753 5259 12271 36813 40319 65957 120957 197871 282233 461699 846699 1385097 1517011 4551033 10619077 31857231 115622621 346867863 809358347 2428075041 2659320283 7977960849 18615241981 55845725943