55550656 has 28 divisors (see below), whose sum is σ = 125981968. Its totient is φ = 23807232.

The previous prime is 55550641. The next prime is 55550701. The reversal of 55550656 is 65605555.

It is a tau number, because it is divible by the number of its divisors (28).

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, 61551 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (4499356).

Almost surely, 2^55550656 is an apocalyptic number.

55550656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55550656 is an abundant number, since it is smaller than the sum of its proper divisors (70431312).

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

55550656 is a wasteful number, since it uses less digits than its factorization.

55550656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124016 (or 124006 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The square root of 55550656 is about 7453.2312455740. The cubic root of 55550656 is about 381.5601966726.

The spelling of 55550656 in words is "fifty-five million, five hundred fifty thousand, six hundred fifty-six".