55538524 has 12 divisors (see below), whose sum is σ = 102909744. Its totient is φ = 26135744.

The previous prime is 55538521. The next prime is 55538531. The reversal of 55538524 is 42583555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55538521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408304 + ... + 408439.

It is an arithmetic number, because the mean of its divisors is an integer number (8575812).

Almost surely, 2^55538524 is an apocalyptic number.

It is an amenable number.

55538524 is a deficient number, since it is larger than the sum of its proper divisors (47371220).

55538524 is a wasteful number, since it uses less digits than its factorization.

55538524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816764 (or 816762 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 55538524 is about 7452.4173259420. The cubic root of 55538524 is about 381.5324176707.

The spelling of 55538524 in words is "fifty-five million, five hundred thirty-eight thousand, five hundred twenty-four".