55156304 has 20 divisors (see below), whose sum is σ = 122132064. Its totient is φ = 23638368.

The previous prime is 55156273. The next prime is 55156319. The reversal of 55156304 is 40365155.

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, 246122 + ... + 246345.

Almost surely, 2^55156304 is an apocalyptic number.

It is an amenable number.

55156304 is an abundant number, since it is smaller than the sum of its proper divisors (66975760).

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

55156304 is a wasteful number, since it uses less digits than its factorization.

55156304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492482 (or 492476 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55156304 is about 7426.7290242744. The cubic root of 55156304 is about 380.6551578820.

The spelling of 55156304 in words is "fifty-five million, one hundred fifty-six thousand, three hundred four".