55440368 has 20 divisors (see below), whose sum is σ = 108461808. Its totient is φ = 27450240.

The previous prime is 55440337. The next prime is 55440391. The reversal of 55440368 is 86304455.

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, 15173 + ... + 18468.

Almost surely, 2^55440368 is an apocalyptic number.

It is an amenable number.

55440368 is a deficient number, since it is larger than the sum of its proper divisors (53021440).

55440368 is a wasteful number, since it uses less digits than its factorization.

55440368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33752 (or 33746 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 55440368 is about 7445.8288994577. The cubic root of 55440368 is about 381.3075180442.

The spelling of 55440368 in words is "fifty-five million, four hundred forty thousand, three hundred sixty-eight".