56608969 has 4 divisors (see below), whose sum is σ = 56656260. Its totient is φ = 56561680.

The previous prime is 56608943. The next prime is 56608973. The reversal of 56608969 is 96980665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 24255625 = 5688^2 + 4925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56608969 is a prime.

It is a super-2 number, since 2×56608969² = 6409150742485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56608469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21802 + ... + 24259.

It is an arithmetic number, because the mean of its divisors is an integer number (14164065).

Almost surely, 2^56608969 is an apocalyptic number.

It is an amenable number.

56608969 is a deficient number, since it is larger than the sum of its proper divisors (47291).

56608969 is a wasteful number, since it uses less digits than its factorization.

56608969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47290.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 56608969 is about 7523.8932076419. The cubic root of 56608969 is about 383.9680443062.

The spelling of 56608969 in words is "fifty-six million, six hundred eight thousand, nine hundred sixty-nine".