57122982 has 112 divisors (see below), whose sum is σ = 152670240. Its totient is φ = 15676416.

The previous prime is 57122981. The next prime is 57122993. The reversal of 57122982 is 28922175.

57122982 is a `hidden beast` number, since 571 + 2 + 2 + 9 + 82 = 666.

57122982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57122981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 295878 + ... + 296070.

Almost surely, 2^57122982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57122982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76335120).

57122982 is an abundant number, since it is smaller than the sum of its proper divisors (95547258).

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

57122982 is a wasteful number, since it uses less digits than its factorization.

57122982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 57122982 is about 7557.9747287220. The cubic root of 57122982 is about 385.1266958073.

The spelling of 57122982 in words is "fifty-seven million, one hundred twenty-two thousand, nine hundred eighty-two".