5551500656 has 40 divisors (see below), whose sum is σ = 11609413200. Its totient is φ = 2556481536.

The previous prime is 5551500599. The next prime is 5551500697. The reversal of 5551500656 is 6560051555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63671 + ... + 123113.

It is an arithmetic number, because the mean of its divisors is an integer number (290235330).

Almost surely, 2^5551500656 is an apocalyptic number.

It is an amenable number.

5551500656 is an abundant number, since it is smaller than the sum of its proper divisors (6057912544).

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

5551500656 is a wasteful number, since it uses less digits than its factorization.

5551500656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59913 (or 59907 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 5551500656 is about 74508.3931916398. The cubic root of 5551500656 is about 1770.6666130511. Note that the first 4 decimals are identical.

The spelling of 5551500656 in words is "five billion, five hundred fifty-one million, five hundred thousand, six hundred fifty-six".