56275507 has 2 divisors, whose sum is σ = 56275508. Its totient is φ = 56275506.

The previous prime is 56275487. The next prime is 56275543. The reversal of 56275507 is 70557265.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56275507 is a prime.

It is not a weakly prime, because it can be changed into another prime (56275567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28137753 + 28137754.

It is an arithmetic number, because the mean of its divisors is an integer number (28137754).

Almost surely, 2^56275507 is an apocalyptic number.

56275507 is a deficient number, since it is larger than the sum of its proper divisors (1).

56275507 is an equidigital number, since it uses as much as digits as its factorization.

56275507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 56275507 is about 7501.7002739379. The cubic root of 56275507 is about 383.2126222737.

The spelling of 56275507 in words is "fifty-six million, two hundred seventy-five thousand, five hundred seven".