56451810371 has 16 divisors (see below), whose sum is σ = 63640498176. Its totient is φ = 49609560000.

The previous prime is 56451810367. The next prime is 56451810409. The reversal of 56451810371 is 17301815465.

It is not a de Polignac number, because 56451810371 - 2² = 56451810367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56451810301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219791 + ... + 401511.

It is an arithmetic number, because the mean of its divisors is an integer number (3977531136).

Almost surely, 2^56451810371 is an apocalyptic number.

56451810371 is a deficient number, since it is larger than the sum of its proper divisors (7188687805).

56451810371 is a wasteful number, since it uses less digits than its factorization.

56451810371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182674.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 56451810371 in words is "fifty-six billion, four hundred fifty-one million, eight hundred ten thousand, three hundred seventy-one".