56021596920967 has 2 divisors, whose sum is σ = 56021596920968. Its totient is φ = 56021596920966.

The previous prime is 56021596920943. The next prime is 56021596920977. The reversal of 56021596920967 is 76902969512065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56021596920967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56021596920977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28010798460483 + 28010798460484.

It is an arithmetic number, because the mean of its divisors is an integer number (28010798460484).

Almost surely, 2^{56021596920967} is an apocalyptic number.

56021596920967 is a deficient number, since it is larger than the sum of its proper divisors (1).

56021596920967 is an equidigital number, since it uses as much as digits as its factorization.

56021596920967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110224800, while the sum is 67.

The spelling of 56021596920967 in words is "fifty-six trillion, twenty-one billion, five hundred ninety-six million, nine hundred twenty thousand, nine hundred sixty-seven".