56426765577 has 32 divisors (see below), whose sum is σ = 93979855872. Its totient is φ = 29319326784.

The previous prime is 56426765569. The next prime is 56426765579. The reversal of 56426765577 is 77556762465.

It is not a de Polignac number, because 56426765577 - 2³ = 56426765569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56426765577.

It is not an unprimeable number, because it can be changed into a prime (56426765579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1524183 + ... + 1560764.

It is an arithmetic number, because the mean of its divisors is an integer number (2936870496).

Almost surely, 2^56426765577 is an apocalyptic number.

It is an amenable number.

56426765577 is a deficient number, since it is larger than the sum of its proper divisors (37553090295).

56426765577 is a wasteful number, since it uses less digits than its factorization.

56426765577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085037.

The product of its digits is 74088000, while the sum is 60.

The spelling of 56426765577 in words is "fifty-six billion, four hundred twenty-six million, seven hundred sixty-five thousand, five hundred seventy-seven".