57643662 has 16 divisors (see below), whose sum is σ = 115379712. Its totient is φ = 19199160.

The previous prime is 57643661. The next prime is 57643679. The reversal of 57643662 is 26634675.

It is a self number, because there is not a number n which added to its sum of digits gives 57643662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (7211232).

Almost surely, 2^57643662 is an apocalyptic number.

57643662 is an abundant number, since it is smaller than the sum of its proper divisors (57736050).

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

57643662 is a wasteful number, since it uses less digits than its factorization.

57643662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its digits is 181440, while the sum is 39.

The square root of 57643662 is about 7592.3423263180. The cubic root of 57643662 is about 386.2933106721.

The spelling of 57643662 in words is "fifty-seven million, six hundred forty-three thousand, six hundred sixty-two".