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55464752231 = 731216113297
BaseRepresentation
bin110011101001111101…
…001111010001100111
312022011102201100101122
4303221331033101213
51402042434032411
641251414044155
74002316421000
oct635175172147
9168142640348
1055464752231
1121582452309
12a8bb04965b
1352cbc91c25
1429824101a7
1516995009db
hexce9f4f467

55464752231 has 16 divisors (see below), whose sum is σ = 64692110400. Its totient is φ = 47533731840.

The previous prime is 55464752221. The next prime is 55464752249. The reversal of 55464752231 is 13225746455.

It is not a de Polignac number, because 55464752231 - 210 = 55464751207 is a prime.

It is a super-2 number, since 2×554647522312 (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 (55464752201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164575 + ... + 4177871.

It is an arithmetic number, because the mean of its divisors is an integer number (4043256900).

Almost surely, 255464752231 is an apocalyptic number.

55464752231 is a deficient number, since it is larger than the sum of its proper divisors (9227358169).

55464752231 is a wasteful number, since it uses less digits than its factorization.

55464752231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25479 (or 25465 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 44.

The spelling of 55464752231 in words is "fifty-five billion, four hundred sixty-four million, seven hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 7 49 343 12161 13297 85127 93079 595889 651553 4171223 4560871 161704817 1131933719 7923536033 55464752231