55590456 has 32 divisors (see below), whose sum is σ = 139161600. Its totient is φ = 18505440.

The previous prime is 55590433. The next prime is 55590461. The reversal of 55590456 is 65409555.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29791 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (4348800).

Almost surely, 2^55590456 is an apocalyptic number.

It is an amenable number.

55590456 is an abundant number, since it is smaller than the sum of its proper divisors (83571144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55590456 is a wasteful number, since it uses less digits than its factorization.

55590456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 55590456 is about 7455.9007504124. The cubic root of 55590456 is about 381.6512995302.

The spelling of 55590456 in words is "fifty-five million, five hundred ninety thousand, four hundred fifty-six".