56716512477 has 8 divisors (see below), whose sum is σ = 75648683616. Its totient is φ = 37797674832.

The previous prime is 56716512469. The next prime is 56716512499. The reversal of 56716512477 is 77421561765.

It is a happy number.

56716512477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56716512477 - 2³ = 56716512469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56716512877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323443 + ... + 3340464.

It is an arithmetic number, because the mean of its divisors is an integer number (9456085452).

Almost surely, 2^56716512477 is an apocalyptic number.

It is an amenable number.

56716512477 is a deficient number, since it is larger than the sum of its proper divisors (18932171139).

56716512477 is a wasteful number, since it uses less digits than its factorization.

56716512477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666747.

The product of its digits is 2469600, while the sum is 51.

The spelling of 56716512477 in words is "fifty-six billion, seven hundred sixteen million, five hundred twelve thousand, four hundred seventy-seven".