57126872 has 32 divisors (see below), whose sum is σ = 117961920. Its totient is φ = 25719840.

The previous prime is 57126857. The next prime is 57126877. The reversal of 57126872 is 27862175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57126877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6383 + ... + 12449.

It is an arithmetic number, because the mean of its divisors is an integer number (3686310).

Almost surely, 2^57126872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57126872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58980960).

57126872 is an abundant number, since it is smaller than the sum of its proper divisors (60835048).

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

57126872 is a wasteful number, since it uses less digits than its factorization.

57126872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191 (or 6187 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 57126872 is about 7558.2320684139. The cubic root of 57126872 is about 385.1354378161.

The spelling of 57126872 in words is "fifty-seven million, one hundred twenty-six thousand, eight hundred seventy-two".