57130562 has 4 divisors (see below), whose sum is σ = 85695846. Its totient is φ = 28565280.

The previous prime is 57130559. The next prime is 57130607. The reversal of 57130562 is 26503175.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51423241 + 5707321 = 7171^2 + 2389^2 .

It is a super-2 number, since 2×57130562² = 6527802228871688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14282639 + ... + 14282642.

Almost surely, 2^57130562 is an apocalyptic number.

57130562 is a deficient number, since it is larger than the sum of its proper divisors (28565284).

57130562 is a wasteful number, since it uses less digits than its factorization.

57130562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28565283.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 57130562 is about 7558.4761691759. The cubic root of 57130562 is about 385.1437299976.

The spelling of 57130562 in words is "fifty-seven million, one hundred thirty thousand, five hundred sixty-two".