57641268 has 12 divisors (see below), whose sum is σ = 134496320. Its totient is φ = 19213752.

The previous prime is 57641267. The next prime is 57641281. The reversal of 57641268 is 86214675.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57641267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401708 + ... + 2401731.

Almost surely, 2^57641268 is an apocalyptic number.

It is an amenable number.

57641268 is an abundant number, since it is smaller than the sum of its proper divisors (76855052).

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

57641268 is a wasteful number, since it uses less digits than its factorization.

57641268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803446 (or 4803444 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 57641268 is about 7592.1846658258. The cubic root of 57641268 is about 386.2879628798.

The spelling of 57641268 in words is "fifty-seven million, six hundred forty-one thousand, two hundred sixty-eight".