56694817 has 2 divisors, whose sum is σ = 56694818. Its totient is φ = 56694816.

The previous prime is 56694809. The next prime is 56694821. The reversal of 56694817 is 71849665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43086096 + 13608721 = 6564^2 + 3689^2 .

It is a cyclic number.

It is not a de Polignac number, because 56694817 - 2³ = 56694809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56694857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28347408 + 28347409.

It is an arithmetic number, because the mean of its divisors is an integer number (28347409).

Almost surely, 2^56694817 is an apocalyptic number.

It is an amenable number.

56694817 is a deficient number, since it is larger than the sum of its proper divisors (1).

56694817 is an equidigital number, since it uses as much as digits as its factorization.

56694817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 56694817 is about 7529.5960715034. The cubic root of 56694817 is about 384.1620432457.

The spelling of 56694817 in words is "fifty-six million, six hundred ninety-four thousand, eight hundred seventeen".