56641446 has 24 divisors (see below), whose sum is σ = 122878080. Its totient is φ = 18856656.

The previous prime is 56641427. The next prime is 56641463. The reversal of 56641446 is 64414665.

56641446 is a `hidden beast` number, since 5 + 6 + 641 + 4 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56641446.

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, 18235 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (5119920).

Almost surely, 2^56641446 is an apocalyptic number.

56641446 is an abundant number, since it is smaller than the sum of its proper divisors (66236634).

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

56641446 is a wasteful number, since it uses less digits than its factorization.

56641446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3977 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 56641446 is about 7526.0511558187. The cubic root of 56641446 is about 384.0414587399.

The spelling of 56641446 in words is "fifty-six million, six hundred forty-one thousand, four hundred forty-six".