57288692 has 12 divisors (see below), whose sum is σ = 100315236. Its totient is φ = 28627200.

The previous prime is 57288689. The next prime is 57288709. The reversal of 57288692 is 29688275.

It can be written as a sum of positive squares in 2 ways, for example, as 44009956 + 13278736 = 6634^2 + 3644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (8359603).

Almost surely, 2^57288692 is an apocalyptic number.

It is an amenable number.

57288692 is a deficient number, since it is larger than the sum of its proper divisors (43026544).

57288692 is a wasteful number, since it uses less digits than its factorization.

57288692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8576 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 57288692 is about 7568.9293826802. The cubic root of 57288692 is about 385.4987453157.

The spelling of 57288692 in words is "fifty-seven million, two hundred eighty-eight thousand, six hundred ninety-two".