57134574 has 48 divisors (see below), whose sum is σ = 142073568. Its totient is φ = 16255296.

The previous prime is 57134551. The next prime is 57134621. The reversal of 57134574 is 47543175.

It is a happy number.

57134574 is a `hidden beast` number, since 57 + 1 + 34 + 574 = 666.

It is a super-2 number, since 2×57134574² = 6528719092322952, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34084 + ... + 35720.

It is an arithmetic number, because the mean of its divisors is an integer number (2959866).

Almost surely, 2^57134574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57134574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71036784).

57134574 is an abundant number, since it is smaller than the sum of its proper divisors (84938994).

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

57134574 is a wasteful number, since it uses less digits than its factorization.

57134574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 57134574 is about 7558.7415619268. The cubic root of 57134574 is about 385.1527453735.

The spelling of 57134574 in words is "fifty-seven million, one hundred thirty-four thousand, five hundred seventy-four".