56669744 has 40 divisors (see below), whose sum is σ = 112284480. Its totient is φ = 27701568.

The previous prime is 56669731. The next prime is 56669759. The reversal of 56669744 is 44796665.

It is a super-2 number, since 2×56669744² = 6422919770051072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184439 + ... + 184745.

It is an arithmetic number, because the mean of its divisors is an integer number (2807112).

Almost surely, 2^56669744 is an apocalyptic number.

It is an amenable number.

56669744 is a deficient number, since it is larger than the sum of its proper divisors (55614736).

56669744 is a wasteful number, since it uses less digits than its factorization.

56669744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 56669744 is about 7527.9309242314. The cubic root of 56669744 is about 384.1054036463.

The spelling of 56669744 in words is "fifty-six million, six hundred sixty-nine thousand, seven hundred forty-four".