57486044 has 48 divisors (see below), whose sum is σ = 132814080. Its totient is φ = 21077760.

The previous prime is 57486043. The next prime is 57486047. The reversal of 57486044 is 44068475.

It is a junction number, because it is equal to n+sod(n) for n = 57485989 and 57486007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57486043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (2766960).

Almost surely, 2^57486044 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 57486044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66407040).

57486044 is an abundant number, since it is smaller than the sum of its proper divisors (75328036).

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

57486044 is a wasteful number, since it uses less digits than its factorization.

57486044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018 (or 11016 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 57486044 is about 7581.9551568181. The cubic root of 57486044 is about 385.9409021178.

Subtracting from 57486044 its reverse (44068475), we obtain a square (13417569 = 3663²).

The spelling of 57486044 in words is "fifty-seven million, four hundred eighty-six thousand, forty-four".