57641646 has 24 divisors (see below), whose sum is σ = 117815400. Its totient is φ = 18800752.

The previous prime is 57641627. The next prime is 57641653. The reversal of 57641646 is 64614675.

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, 11080 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (4908975).

Almost surely, 2^57641646 is an apocalyptic number.

57641646 is an abundant number, since it is smaller than the sum of its proper divisors (60173754).

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

57641646 is a wasteful number, since it uses less digits than its factorization.

57641646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4401 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 57641646 is about 7592.2095598054. The cubic root of 57641646 is about 386.2888072779.

The spelling of 57641646 in words is "fifty-seven million, six hundred forty-one thousand, six hundred forty-six".