57287282 has 12 divisors (see below), whose sum is σ = 93050010. Its totient is φ = 26440128.

The previous prime is 57287281. The next prime is 57287341. The reversal of 57287282 is 28278275.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 42915601 + 14371681 = 6551^2 + 3791^2 .

It is not an unprimeable number, because it can be changed into a prime (57287281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84407 + ... + 85082.

Almost surely, 2^57287282 is an apocalyptic number.

57287282 is a deficient number, since it is larger than the sum of its proper divisors (35762728).

57287282 is a wasteful number, since it uses less digits than its factorization.

57287282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169517 (or 169504 counting only the distinct ones).

The product of its digits is 125440, while the sum is 41.

The square root of 57287282 is about 7568.8362381544. The cubic root of 57287282 is about 385.4955826341.

The spelling of 57287282 in words is "fifty-seven million, two hundred eighty-seven thousand, two hundred eighty-two".