56540318801 has 2 divisors, whose sum is σ = 56540318802. Its totient is φ = 56540318800.

The previous prime is 56540318743. The next prime is 56540318831. The reversal of 56540318801 is 10881304565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48090297025 + 8450021776 = 219295^2 + 91924^2 .

It is a cyclic number.

It is not a de Polignac number, because 56540318801 - 2²⁶ = 56473209937 is a prime.

It is not a weakly prime, because it can be changed into another prime (56540318831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28270159400 + 28270159401.

It is an arithmetic number, because the mean of its divisors is an integer number (28270159401).

Almost surely, 2^56540318801 is an apocalyptic number.

It is an amenable number.

56540318801 is a deficient number, since it is larger than the sum of its proper divisors (1).

56540318801 is an equidigital number, since it uses as much as digits as its factorization.

56540318801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 56540318801 in words is "fifty-six billion, five hundred forty million, three hundred eighteen thousand, eight hundred one".