56859668 has 6 divisors (see below), whose sum is σ = 99504426. Its totient is φ = 28429832.

The previous prime is 56859653. The next prime is 56859683. The reversal of 56859668 is 86695865.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56859653) and next prime (56859683).

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 22543504 = 5858^2 + 4748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7107455 + ... + 7107462.

It is an arithmetic number, because the mean of its divisors is an integer number (16584071).

Almost surely, 2^56859668 is an apocalyptic number.

It is an amenable number.

56859668 is a deficient number, since it is larger than the sum of its proper divisors (42644758).

56859668 is a wasteful number, since it uses less digits than its factorization.

56859668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214921 (or 14214919 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 56859668 is about 7540.5349942826. The cubic root of 56859668 is about 384.5340244275.

The spelling of 56859668 in words is "fifty-six million, eight hundred fifty-nine thousand, six hundred sixty-eight".