5651512856 has 16 divisors (see below), whose sum is σ = 11559912840. Its totient is φ = 2568869440.

The previous prime is 5651512813. The next prime is 5651512891. The reversal of 5651512856 is 6582151565.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 32110781 + ... + 32110956.

Almost surely, 2^5651512856 is an apocalyptic number.

It is an amenable number.

5651512856 is an abundant number, since it is smaller than the sum of its proper divisors (5908399984).

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

5651512856 is a wasteful number, since it uses less digits than its factorization.

5651512856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64221754 (or 64221750 counting only the distinct ones).

The product of its digits is 360000, while the sum is 44.

The square root of 5651512856 is about 75176.5445867260. The cubic root of 5651512856 is about 1781.2364485010.

The spelling of 5651512856 in words is "five billion, six hundred fifty-one million, five hundred twelve thousand, eight hundred fifty-six".