57274236 has 48 divisors (see below), whose sum is σ = 153287680. Its totient is φ = 18474480.

The previous prime is 57274229. The next prime is 57274271. The reversal of 57274236 is 63247275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57274236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206 + ... + 11901.

Almost surely, 2^57274236 is an apocalyptic number.

It is an amenable number.

57274236 is an abundant number, since it is smaller than the sum of its proper divisors (96013444).

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

57274236 is a wasteful number, since it uses less digits than its factorization.

57274236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151 (or 17143 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 57274236 is about 7567.9743657071. The cubic root of 57274236 is about 385.4663175162.

57274236 divided by its sum of digits (36) gives a palindrome (1590951).

The spelling of 57274236 in words is "fifty-seven million, two hundred seventy-four thousand, two hundred thirty-six".