56745564527 has 2 divisors, whose sum is σ = 56745564528. Its totient is φ = 56745564526.

The previous prime is 56745564389. The next prime is 56745564541. The reversal of 56745564527 is 72546554765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56745564527 - 2¹⁶ = 56745498991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56745564587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28372782263 + 28372782264.

It is an arithmetic number, because the mean of its divisors is an integer number (28372782264).

Almost surely, 2^56745564527 is an apocalyptic number.

56745564527 is a deficient number, since it is larger than the sum of its proper divisors (1).

56745564527 is an equidigital number, since it uses as much as digits as its factorization.

56745564527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280000, while the sum is 56.

The spelling of 56745564527 in words is "fifty-six billion, seven hundred forty-five million, five hundred sixty-four thousand, five hundred twenty-seven".