57501836 has 48 divisors (see below), whose sum is σ = 118804224. Its totient is φ = 23841216.

The previous prime is 57501827. The next prime is 57501859. The reversal of 57501836 is 63810575.

57501836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57501836² = 6612922286741792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57501796 and 57501805.

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 15 ways as a sum of consecutive naturals, for example, 196106 + ... + 196398.

It is an arithmetic number, because the mean of its divisors is an integer number (2475088).

Almost surely, 2^57501836 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 57501836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59402112).

57501836 is an abundant number, since it is smaller than the sum of its proper divisors (61302388).

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

57501836 is a wasteful number, since it uses less digits than its factorization.

57501836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 57501836 is about 7582.9965053401. The cubic root of 57501836 is about 385.9762395103.

The spelling of 57501836 in words is "fifty-seven million, five hundred one thousand, eight hundred thirty-six".