55304361531 has 6 divisors (see below), whose sum is σ = 79884077780. Its totient is φ = 36869574348.

The previous prime is 55304361517. The next prime is 55304361589. The reversal of 55304361531 is 13516340355.

55304361531 is a `hidden beast` number, since 5 + 5 + 3 + 0 + 4 + 3 + 615 + 31 = 666.

55304361531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55304361531 - 2²⁷ = 55170143803 is a prime.

It is a super-2 number, since 2×55304361531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55304363531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3072464521 + ... + 3072464538.

Almost surely, 2^55304361531 is an apocalyptic number.

55304361531 is a deficient number, since it is larger than the sum of its proper divisors (24579716249).

55304361531 is a wasteful number, since it uses less digits than its factorization.

55304361531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144929065 (or 6144929062 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 55304361531 in words is "fifty-five billion, three hundred four million, three hundred sixty-one thousand, five hundred thirty-one".