56156677563 has 8 divisors (see below), whose sum is σ = 85572080128. Its totient is φ = 32089530024.

The previous prime is 56156677559. The next prime is 56156677597. The reversal of 56156677563 is 36577665165.

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

It is not a de Polignac number, because 56156677563 - 2² = 56156677559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56156677543) 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, 1337063731 + ... + 1337063772.

It is an arithmetic number, because the mean of its divisors is an integer number (10696510016).

Almost surely, 2^56156677563 is an apocalyptic number.

56156677563 is a deficient number, since it is larger than the sum of its proper divisors (29415402565).

56156677563 is a wasteful number, since it uses less digits than its factorization.

56156677563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674127513.

The product of its digits is 23814000, while the sum is 57.

The spelling of 56156677563 in words is "fifty-six billion, one hundred fifty-six million, six hundred seventy-seven thousand, five hundred sixty-three".