57842282 has 4 divisors (see below), whose sum is σ = 86763426. Its totient is φ = 28921140.

The previous prime is 57842273. The next prime is 57842297. The reversal of 57842282 is 28224875.

It is a happy number.

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., 57775201 + 67081 = 7601^2 + 259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14460569 + ... + 14460572.

Almost surely, 2^57842282 is an apocalyptic number.

57842282 is a deficient number, since it is larger than the sum of its proper divisors (28921144).

57842282 is a wasteful number, since it uses less digits than its factorization.

57842282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28921143.

The product of its digits is 71680, while the sum is 38.

The square root of 57842282 is about 7605.4113629704. The cubic root of 57842282 is about 386.7364795005.

The spelling of 57842282 in words is "fifty-seven million, eight hundred forty-two thousand, two hundred eighty-two".