56668000 has 96 divisors (see below), whose sum is σ = 144039168. Its totient is φ = 21888000.

The previous prime is 56667983. The next prime is 56668037. The reversal of 56668000 is 86665.

It is a super-2 number, since 2×56668000² = 6422524448000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123772 + ... + 124228.

It is an arithmetic number, because the mean of its divisors is an integer number (1500408).

Almost surely, 2^56668000 is an apocalyptic number.

56668000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56668000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019584).

56668000 is an abundant number, since it is smaller than the sum of its proper divisors (87371168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56668000 is a wasteful number, since it uses less digits than its factorization.

56668000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56668000 is about 7527.8150880584. The cubic root of 56668000 is about 384.1014633503.

The spelling of 56668000 in words is "fifty-six million, six hundred sixty-eight thousand".