56276690961 has 4 divisors (see below), whose sum is σ = 75035587952. Its totient is φ = 37517793972.

The previous prime is 56276690947. The next prime is 56276691001. The reversal of 56276690961 is 16909667265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56276690961 - 2¹¹ = 56276688913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56276690161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9379448491 + ... + 9379448496.

It is an arithmetic number, because the mean of its divisors is an integer number (18758896988).

Almost surely, 2^56276690961 is an apocalyptic number.

It is an amenable number.

56276690961 is a deficient number, since it is larger than the sum of its proper divisors (18758896991).

56276690961 is a wasteful number, since it uses less digits than its factorization.

56276690961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18758896990.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 56276690961 in words is "fifty-six billion, two hundred seventy-six million, six hundred ninety thousand, nine hundred sixty-one".