55200523131 has 24 divisors (see below), whose sum is σ = 85953787920. Its totient is φ = 33935409216.

The previous prime is 55200523099. The next prime is 55200523139. The reversal of 55200523131 is 13132500255.

It is a happy number.

55200523131 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 0 + 523 + 131 = 666.

It is not a de Polignac number, because 55200523131 - 2⁵ = 55200523099 is a prime.

It is a super-2 number, since 2×55200523131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55200523095 and 55200523104.

It is not an unprimeable number, because it can be changed into a prime (55200523139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119961 + ... + 353258.

It is an arithmetic number, because the mean of its divisors is an integer number (3581407830).

Almost surely, 2^55200523131 is an apocalyptic number.

55200523131 is a deficient number, since it is larger than the sum of its proper divisors (30753264789).

55200523131 is a wasteful number, since it uses less digits than its factorization.

55200523131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474235 (or 474232 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 55200523131 in words is "fifty-five billion, two hundred million, five hundred twenty-three thousand, one hundred thirty-one".