57032982 has 48 divisors (see below), whose sum is σ = 126966528. Its totient is φ = 18495360.

The previous prime is 57032971. The next prime is 57033001. The reversal of 57032982 is 28923075.

It is a happy number.

57032982 is a `hidden beast` number, since 570 + 3 + 2 + 9 + 82 = 666.

It is a super-2 number, since 2×57032982² = 6505522071624648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182058 + ... + 182370.

It is an arithmetic number, because the mean of its divisors is an integer number (2645136).

Almost surely, 2^57032982 is an apocalyptic number.

57032982 is an abundant number, since it is smaller than the sum of its proper divisors (69933546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57032982 is a wasteful number, since it uses less digits than its factorization.

57032982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 57032982 is about 7552.0184056979. The cubic root of 57032982 is about 384.9243276248.

The spelling of 57032982 in words is "fifty-seven million, thirty-two thousand, nine hundred eighty-two".