55995904 has 20 divisors (see below), whose sum is σ = 111883464. Its totient is φ = 27997696.

The previous prime is 55995893. The next prime is 55995913. The reversal of 55995904 is 40959955.

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 as a sum of consecutive naturals, namely, 54172 + ... + 55195.

Almost surely, 2^55995904 is an apocalyptic number.

It is an amenable number.

55995904 is a deficient number, since it is larger than the sum of its proper divisors (55887560).

55995904 is an equidigital number, since it uses as much as digits as its factorization.

55995904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109385 (or 109369 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 55995904 is about 7483.0410930316. The cubic root of 55995904 is about 382.5769085102.

The spelling of 55995904 in words is "fifty-five million, nine hundred ninety-five thousand, nine hundred four".