57236872 has 48 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 22297440.

The previous prime is 57236869. The next prime is 57236897. The reversal of 57236872 is 27863275.

57236872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2553 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^57236872 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 57236872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67415040).

57236872 is an abundant number, since it is smaller than the sum of its proper divisors (77593208).

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

57236872 is a wasteful number, since it uses less digits than its factorization.

57236872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482 (or 8467 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 57236872 is about 7565.5054028135. The cubic root of 57236872 is about 385.3824770464.

The spelling of 57236872 in words is "fifty-seven million, two hundred thirty-six thousand, eight hundred seventy-two".