56938892837 has 2 divisors, whose sum is σ = 56938892838. Its totient is φ = 56938892836.

The previous prime is 56938892797. The next prime is 56938892887. The reversal of 56938892837 is 73829883965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51731682916 + 5207209921 = 227446^2 + 72161^2 .

It is a cyclic number.

It is not a de Polignac number, because 56938892837 - 2²⁰ = 56937844261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56938892887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28469446418 + 28469446419.

It is an arithmetic number, because the mean of its divisors is an integer number (28469446419).

Almost surely, 2^56938892837 is an apocalyptic number.

It is an amenable number.

56938892837 is a deficient number, since it is larger than the sum of its proper divisors (1).

56938892837 is an equidigital number, since it uses as much as digits as its factorization.

56938892837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 68.

The spelling of 56938892837 in words is "fifty-six billion, nine hundred thirty-eight million, eight hundred ninety-two thousand, eight hundred thirty-seven".