56719690755 has 64 divisors (see below), whose sum is σ = 114713023488. Its totient is φ = 23287564800.

The previous prime is 56719690711. The next prime is 56719690763. The reversal of 56719690755 is 55709691765.

It is not a de Polignac number, because 56719690755 - 2⁶ = 56719690691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 511021 + ... + 612030.

It is an arithmetic number, because the mean of its divisors is an integer number (1792390992).

Almost surely, 2^56719690755 is an apocalyptic number.

56719690755 is an abundant number, since it is smaller than the sum of its proper divisors (57993332733).

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

56719690755 is a wasteful number, since it uses less digits than its factorization.

56719690755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123116.

The product of its (nonzero) digits is 17860500, while the sum is 60.

The spelling of 56719690755 in words is "fifty-six billion, seven hundred nineteen million, six hundred ninety thousand, seven hundred fifty-five".