57193428 has 24 divisors (see below), whose sum is σ = 134749888. Its totient is φ = 18878976.

The previous prime is 57193369. The next prime is 57193429. The reversal of 57193428 is 82439175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57193429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21901 + ... + 24372.

Almost surely, 2^57193428 is an apocalyptic number.

It is an amenable number.

57193428 is an abundant number, since it is smaller than the sum of its proper divisors (77556460).

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

57193428 is a wasteful number, since it uses less digits than its factorization.

57193428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46383 (or 46381 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 57193428 is about 7562.6336682402. The cubic root of 57193428 is about 385.2849478750.

The spelling of 57193428 in words is "fifty-seven million, one hundred ninety-three thousand, four hundred twenty-eight".