23055552531 has 48 divisors (see below), whose sum is σ = 38890994688. Its totient is φ = 13522269600.

The previous prime is 23055552511. The next prime is 23055552547. The reversal of 23055552531 is 13525555032.

23055552531 is a `hidden beast` number, since 2 + 3 + 0 + 55 + 552 + 53 + 1 = 666.

It is not a de Polignac number, because 23055552531 - 2²¹ = 23053455379 is a prime.

It is a super-2 number, since 2×23055552531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23055552511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56256 + ... + 221981.

It is an arithmetic number, because the mean of its divisors is an integer number (810229056).

Almost surely, 2^23055552531 is an apocalyptic number.

23055552531 is a deficient number, since it is larger than the sum of its proper divisors (15835442157).

23055552531 is a wasteful number, since it uses less digits than its factorization.

23055552531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278294 (or 278282 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 23055552531 in words is "twenty-three billion, fifty-five million, five hundred fifty-two thousand, five hundred thirty-one".