55912404 has 12 divisors (see below), whose sum is σ = 130462304. Its totient is φ = 18637464.

The previous prime is 55912393. The next prime is 55912447. The reversal of 55912404 is 40421955.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2329672 + ... + 2329695.

Almost surely, 2^55912404 is an apocalyptic number.

It is an amenable number.

55912404 is an abundant number, since it is smaller than the sum of its proper divisors (74549900).

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

55912404 is a wasteful number, since it uses less digits than its factorization.

55912404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659374 (or 4659372 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 55912404 is about 7477.4597290791. The cubic root of 55912404 is about 382.3866501674.

The spelling of 55912404 in words is "fifty-five million, nine hundred twelve thousand, four hundred four".