55770904 has 16 divisors (see below), whose sum is σ = 119509200. Its totient is φ = 23901792.

The previous prime is 55770899. The next prime is 55770917. The reversal of 55770904 is 40907755.

It is a super-2 number, since 2×55770904² = 6220787465954432, which contains 22 as substring.

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, 497899 + ... + 498010.

It is an arithmetic number, because the mean of its divisors is an integer number (7469325).

Almost surely, 2^55770904 is an apocalyptic number.

It is an amenable number.

55770904 is an abundant number, since it is smaller than the sum of its proper divisors (63738296).

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

55770904 is a wasteful number, since it uses less digits than its factorization.

55770904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995922 (or 995918 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 55770904 is about 7467.9919657161. The cubic root of 55770904 is about 382.0638033829.

The spelling of 55770904 in words is "fifty-five million, seven hundred seventy thousand, nine hundred four".