56451859216 has 15 divisors (see below), whose sum is σ = 109377318631. Its totient is φ = 28225454416.

The previous prime is 56451859181. The next prime is 56451859223. The reversal of 56451859216 is 61295815465.

The square root of 56451859216 is 237596.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 920685 + ... + 980083.

Almost surely, 2^56451859216 is an apocalyptic number.

56451859216 is the 237596-th square number.

It is an amenable number.

56451859216 is a deficient number, since it is larger than the sum of its proper divisors (52925459415).

56451859216 is an frugal number, since it uses more digits than its factorization.

56451859216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118806 (or 59401 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 52.

The spelling of 56451859216 in words is "fifty-six billion, four hundred fifty-one million, eight hundred fifty-nine thousand, two hundred sixteen".