56667748 has 12 divisors (see below), whose sum is σ = 99333612. Its totient is φ = 28286720.

The previous prime is 56667713. The next prime is 56667763. The reversal of 56667748 is 84776665.

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 39841344 = 4102^2 + 6312^2 .

It is a super-2 number, since 2×56667748² = 6422467326783008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9013 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (8277801).

Almost surely, 2^56667748 is an apocalyptic number.

It is an amenable number.

56667748 is a deficient number, since it is larger than the sum of its proper divisors (42665864).

56667748 is a wasteful number, since it uses less digits than its factorization.

56667748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23582 (or 23580 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 56667748 is about 7527.7983501154. The cubic root of 56667748 is about 384.1008939889.

The spelling of 56667748 in words is "fifty-six million, six hundred sixty-seven thousand, seven hundred forty-eight".