56922802213 has 2 divisors, whose sum is σ = 56922802214. Its totient is φ = 56922802212.

The previous prime is 56922802169. The next prime is 56922802217. The reversal of 56922802213 is 31220822965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54464824129 + 2457978084 = 233377^2 + 49578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56922802213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56922802217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28461401106 + 28461401107.

It is an arithmetic number, because the mean of its divisors is an integer number (28461401107).

Almost surely, 2^56922802213 is an apocalyptic number.

It is an amenable number.

56922802213 is a deficient number, since it is larger than the sum of its proper divisors (1).

56922802213 is an equidigital number, since it uses as much as digits as its factorization.

56922802213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 56922802213 in words is "fifty-six billion, nine hundred twenty-two million, eight hundred two thousand, two hundred thirteen".