56299609 has 2 divisors, whose sum is σ = 56299610. Its totient is φ = 56299608.

The previous prime is 56299589. The next prime is 56299693. The reversal of 56299609 is 90699265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 4862025 = 7172^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 56299609 - 2⁵ = 56299577 is a prime.

It is not a weakly prime, because it can be changed into another prime (56239609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28149804 + 28149805.

It is an arithmetic number, because the mean of its divisors is an integer number (28149805).

Almost surely, 2^56299609 is an apocalyptic number.

It is an amenable number.

56299609 is a deficient number, since it is larger than the sum of its proper divisors (1).

56299609 is an equidigital number, since it uses as much as digits as its factorization.

56299609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 56299609 is about 7503.3065377872. The cubic root of 56299609 is about 383.2673226390.

The spelling of 56299609 in words is "fifty-six million, two hundred ninety-nine thousand, six hundred nine".