55725504 has 56 divisors (see below), whose sum is σ = 153863040. Its totient is φ = 17766144.

The previous prime is 55725491. The next prime is 55725511. The reversal of 55725504 is 40552755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 10725.

Almost surely, 2^55725504 is an apocalyptic number.

It is an amenable number.

55725504 is an abundant number, since it is smaller than the sum of its proper divisors (98137536).

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

55725504 is a wasteful number, since it uses less digits than its factorization.

55725504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657 (or 12647 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 55725504 is about 7464.9517078143. The cubic root of 55725504 is about 381.9601029209.

The spelling of 55725504 in words is "fifty-five million, seven hundred twenty-five thousand, five hundred four".