56535262187 has 2 divisors, whose sum is σ = 56535262188. Its totient is φ = 56535262186.

The previous prime is 56535262181. The next prime is 56535262211. The reversal of 56535262187 is 78126253565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56535262187 - 2²⁸ = 56266826731 is a prime.

It is not a weakly prime, because it can be changed into another prime (56535262181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28267631093 + 28267631094.

It is an arithmetic number, because the mean of its divisors is an integer number (28267631094).

Almost surely, 2^56535262187 is an apocalyptic number.

56535262187 is a deficient number, since it is larger than the sum of its proper divisors (1).

56535262187 is an equidigital number, since it uses as much as digits as its factorization.

56535262187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 50.

The spelling of 56535262187 in words is "fifty-six billion, five hundred thirty-five million, two hundred sixty-two thousand, one hundred eighty-seven".