55903504 has 20 divisors (see below), whose sum is σ = 108458460. Its totient is φ = 27914240.

The previous prime is 55903493. The next prime is 55903553. The reversal of 55903504 is 40530955.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 45968400 = 3152^2 + 6780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12984 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (5422923).

Almost surely, 2^55903504 is an apocalyptic number.

It is an amenable number.

55903504 is a deficient number, since it is larger than the sum of its proper divisors (52554956).

55903504 is a wasteful number, since it uses less digits than its factorization.

55903504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698 (or 4692 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55903504 is about 7476.8645835002. The cubic root of 55903504 is about 382.3663599662.

The spelling of 55903504 in words is "fifty-five million, nine hundred three thousand, five hundred four".