57289972 has 6 divisors (see below), whose sum is σ = 100257458. Its totient is φ = 28644984.

The previous prime is 57289963. The next prime is 57290021. The reversal of 57289972 is 27998275.

It can be written as a sum of positive squares in only one way, i.e., 54967396 + 2322576 = 7414^2 + 1524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7161243 + ... + 7161250.

Almost surely, 2^57289972 is an apocalyptic number.

It is an amenable number.

57289972 is a deficient number, since it is larger than the sum of its proper divisors (42967486).

57289972 is a wasteful number, since it uses less digits than its factorization.

57289972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14322497 (or 14322495 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 57289972 is about 7569.0139384202. The cubic root of 57289972 is about 385.5016163577.

The spelling of 57289972 in words is "fifty-seven million, two hundred eighty-nine thousand, nine hundred seventy-two".