56561627 has 2 divisors, whose sum is σ = 56561628. Its totient is φ = 56561626.

The previous prime is 56561621. The next prime is 56561663. The reversal of 56561627 is 72616565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56561627 - 2⁶ = 56561563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56561621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28280813 + 28280814.

It is an arithmetic number, because the mean of its divisors is an integer number (28280814).

Almost surely, 2^56561627 is an apocalyptic number.

56561627 is a deficient number, since it is larger than the sum of its proper divisors (1).

56561627 is an equidigital number, since it uses as much as digits as its factorization.

56561627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 56561627 is about 7520.7464390179. The cubic root of 56561627 is about 383.8609771448.

The spelling of 56561627 in words is "fifty-six million, five hundred sixty-one thousand, six hundred twenty-seven".