56586947 has 2 divisors, whose sum is σ = 56586948. Its totient is φ = 56586946.

The previous prime is 56586913. The next prime is 56586953. The reversal of 56586947 is 74968565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56586947 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56586895 and 56586904.

It is not a weakly prime, because it can be changed into another prime (56586347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28293473 + 28293474.

It is an arithmetic number, because the mean of its divisors is an integer number (28293474).

Almost surely, 2^56586947 is an apocalyptic number.

56586947 is a deficient number, since it is larger than the sum of its proper divisors (1).

56586947 is an equidigital number, since it uses as much as digits as its factorization.

56586947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The square root of 56586947 is about 7522.4295942202. The cubic root of 56586947 is about 383.9182474799.

The spelling of 56586947 in words is "fifty-six million, five hundred eighty-six thousand, nine hundred forty-seven".