57978322 has 16 divisors (see below), whose sum is σ = 88452000. Its totient is φ = 28497952.

The previous prime is 57978301. The next prime is 57978341. The reversal of 57978322 is 22387975.

It is a super-2 number, since 2×57978322² = 6722971643871368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37929 + ... + 39427.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^57978322 is an apocalyptic number.

57978322 is a deficient number, since it is larger than the sum of its proper divisors (30473678).

57978322 is a wasteful number, since it uses less digits than its factorization.

57978322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its digits is 211680, while the sum is 43.

The square root of 57978322 is about 7614.3497424271. The cubic root of 57978322 is about 387.0394322695.

The spelling of 57978322 in words is "fifty-seven million, nine hundred seventy-eight thousand, three hundred twenty-two".