56211682947 has 24 divisors (see below), whose sum is σ = 87221370816. Its totient is φ = 32107734288.

The previous prime is 56211682931. The next prime is 56211682997. The reversal of 56211682947 is 74928611265.

56211682947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56211682947 - 2⁴ = 56211682931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56211682947.

It is not an unprimeable number, because it can be changed into a prime (56211682997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285148 + ... + 440150.

It is an arithmetic number, because the mean of its divisors is an integer number (3634223784).

Almost surely, 2^56211682947 is an apocalyptic number.

56211682947 is a deficient number, since it is larger than the sum of its proper divisors (31009687869).

56211682947 is a wasteful number, since it uses less digits than its factorization.

56211682947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157487 (or 157480 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 56211682947 in words is "fifty-six billion, two hundred eleven million, six hundred eighty-two thousand, nine hundred forty-seven".