56720627 has 2 divisors, whose sum is σ = 56720628. Its totient is φ = 56720626.

The previous prime is 56720611. The next prime is 56720633. The reversal of 56720627 is 72602765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56720627 - 2⁴ = 56720611 is a prime.

It is equal to p_3378806 and since 56720627 and 3378806 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56726627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28360313 + 28360314.

It is an arithmetic number, because the mean of its divisors is an integer number (28360314).

Almost surely, 2^56720627 is an apocalyptic number.

56720627 is a deficient number, since it is larger than the sum of its proper divisors (1).

56720627 is an equidigital number, since it uses as much as digits as its factorization.

56720627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 56720627 is about 7531.3097798457. The cubic root of 56720627 is about 384.2203302792.

The spelling of 56720627 in words is "fifty-six million, seven hundred twenty thousand, six hundred twenty-seven".