57271842 has 24 divisors (see below), whose sum is σ = 124538544. Its totient is φ = 19021464.

The previous prime is 57271789. The next prime is 57271847. The reversal of 57271842 is 24817275.

57271842 is a `hidden beast` number, since 572 + 7 + 1 + 84 + 2 = 666.

57271842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57271797 and 57271806.

It is not an unprimeable number, because it can be changed into a prime (57271847) 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 11 ways as a sum of consecutive naturals, for example, 528 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (5189106).

Almost surely, 2^57271842 is an apocalyptic number.

57271842 is an abundant number, since it is smaller than the sum of its proper divisors (67266702).

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

57271842 is a wasteful number, since it uses less digits than its factorization.

57271842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11534 (or 11531 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 57271842 is about 7567.8161975566. The cubic root of 57271842 is about 385.4609467521.

It can be divided in two parts, 5727 and 1842, that added together give a square (7569 = 87²).

The spelling of 57271842 in words is "fifty-seven million, two hundred seventy-one thousand, eight hundred forty-two".