57152284 has 24 divisors (see below), whose sum is σ = 115874528. Its totient is φ = 24157440.

The previous prime is 57152281. The next prime is 57152299. The reversal of 57152284 is 48225175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57152281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11937 + ... + 16024.

Almost surely, 2^57152284 is an apocalyptic number.

It is an amenable number.

57152284 is an abundant number, since it is smaller than the sum of its proper divisors (58722244).

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

57152284 is a wasteful number, since it uses less digits than its factorization.

57152284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28045 (or 28043 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 57152284 is about 7559.9129624619. The cubic root of 57152284 is about 385.1925365192.

The spelling of 57152284 in words is "fifty-seven million, one hundred fifty-two thousand, two hundred eighty-four".