56050500691 has 2 divisors, whose sum is σ = 56050500692. Its totient is φ = 56050500690.

The previous prime is 56050500617. The next prime is 56050500713. The reversal of 56050500691 is 19600505065.

56050500691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56050500691 - 2⁹ = 56050500179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56050500691.

It is not a weakly prime, because it can be changed into another prime (56050500091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28025250345 + 28025250346.

It is an arithmetic number, because the mean of its divisors is an integer number (28025250346).

Almost surely, 2^56050500691 is an apocalyptic number.

56050500691 is a deficient number, since it is larger than the sum of its proper divisors (1).

56050500691 is an equidigital number, since it uses as much as digits as its factorization.

56050500691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 56050500691 in words is "fifty-six billion, fifty million, five hundred thousand, six hundred ninety-one".