56814454785 has 96 divisors (see below), whose sum is σ = 103836475008. Its totient is φ = 26288271360.

The previous prime is 56814454783. The next prime is 56814454793. The reversal of 56814454785 is 58745441865.

It is not a de Polignac number, because 56814454785 - 2¹ = 56814454783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56814454783) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17147289 + ... + 17150601.

It is an arithmetic number, because the mean of its divisors is an integer number (1081629948).

Almost surely, 2^56814454785 is an apocalyptic number.

56814454785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56814454785 is a deficient number, since it is larger than the sum of its proper divisors (47022020223).

56814454785 is a wasteful number, since it uses less digits than its factorization.

56814454785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475 (or 3422 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 57.

The spelling of 56814454785 in words is "fifty-six billion, eight hundred fourteen million, four hundred fifty-four thousand, seven hundred eighty-five".