56369647 has 2 divisors, whose sum is σ = 56369648. Its totient is φ = 56369646.

The previous prime is 56369627. The next prime is 56369657. The reversal of 56369647 is 74696365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56369647 - 2⁷ = 56369519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56369597 and 56369606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56369627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28184823 + 28184824.

It is an arithmetic number, because the mean of its divisors is an integer number (28184824).

Almost surely, 2^56369647 is an apocalyptic number.

56369647 is a deficient number, since it is larger than the sum of its proper divisors (1).

56369647 is an equidigital number, since it uses as much as digits as its factorization.

56369647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 56369647 is about 7507.9722295704. The cubic root of 56369647 is about 383.4261878821.

The spelling of 56369647 in words is "fifty-six million, three hundred sixty-nine thousand, six hundred forty-seven".