56623684 has 12 divisors (see below), whose sum is σ = 106713964. Its totient is φ = 26133984.

The previous prime is 56623681. The next prime is 56623687. The reversal of 56623684 is 48632665.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56623681) and next prime (56623687).

It can be written as a sum of positive squares in 2 ways, for example, as 2924100 + 53699584 = 1710^2 + 7328^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56623681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544407 + ... + 544510.

Almost surely, 2^56623684 is an apocalyptic number.

It is an amenable number.

56623684 is a deficient number, since it is larger than the sum of its proper divisors (50090280).

56623684 is a wasteful number, since it uses less digits than its factorization.

56623684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088934 (or 1088932 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 56623684 is about 7524.8710287951. The cubic root of 56623684 is about 384.0013111211.

The spelling of 56623684 in words is "fifty-six million, six hundred twenty-three thousand, six hundred eighty-four".