56725667 has 2 divisors, whose sum is σ = 56725668. Its totient is φ = 56725666.

The previous prime is 56725657. The next prime is 56725709. The reversal of 56725667 is 76652765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56725667 - 2²² = 52531363 is a prime.

It is not a weakly prime, because it can be changed into another prime (56725657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28362833 + 28362834.

It is an arithmetic number, because the mean of its divisors is an integer number (28362834).

Almost surely, 2^56725667 is an apocalyptic number.

56725667 is a deficient number, since it is larger than the sum of its proper divisors (1).

56725667 is an equidigital number, since it uses as much as digits as its factorization.

56725667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 56725667 is about 7531.6443755663. The cubic root of 56725667 is about 384.2317101083.

The spelling of 56725667 in words is "fifty-six million, seven hundred twenty-five thousand, six hundred sixty-seven".