55515504 has 40 divisors (see below), whose sum is σ = 156454272. Its totient is φ = 16822720.

The previous prime is 55515497. The next prime is 55515529. The reversal of 55515504 is 40551555.

55515504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52044 + ... + 53099.

Almost surely, 2^55515504 is an apocalyptic number.

It is an amenable number.

55515504 is an abundant number, since it is smaller than the sum of its proper divisors (100938768).

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

55515504 is a wasteful number, since it uses less digits than its factorization.

55515504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105165 (or 105159 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 55515504 is about 7450.8727005633. The cubic root of 55515504 is about 381.4796969682.

The spelling of 55515504 in words is "fifty-five million, five hundred fifteen thousand, five hundred four".