56669950 has 24 divisors (see below), whose sum is σ = 105604848. Its totient is φ = 22625280.

The previous prime is 56669941. The next prime is 56669971. The reversal of 56669950 is 5996665.

It is a happy number.

It is a super-2 number, since 2×56669950² = 6422966466005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56669950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48574 + ... + 49726.

It is an arithmetic number, because the mean of its divisors is an integer number (4400202).

Almost surely, 2^56669950 is an apocalyptic number.

56669950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56669950 is a deficient number, since it is larger than the sum of its proper divisors (48934898).

56669950 is a wasteful number, since it uses less digits than its factorization.

56669950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 56669950 is about 7527.9446065975. The cubic root of 56669950 is about 384.1058690658.

The spelling of 56669950 in words is "fifty-six million, six hundred sixty-nine thousand, nine hundred fifty".