56719256394 has 32 divisors (see below), whose sum is σ = 114794459136. Its totient is φ = 18681062400.

The previous prime is 56719256387. The next prime is 56719256443. The reversal of 56719256394 is 49365291765.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280119 + ... + 438069.

It is an arithmetic number, because the mean of its divisors is an integer number (3587326848).

Almost surely, 2^56719256394 is an apocalyptic number.

56719256394 is an abundant number, since it is smaller than the sum of its proper divisors (58075202742).

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

56719256394 is a wasteful number, since it uses less digits than its factorization.

56719256394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158670.

The product of its digits is 12247200, while the sum is 57.

The spelling of 56719256394 in words is "fifty-six billion, seven hundred nineteen million, two hundred fifty-six thousand, three hundred ninety-four".