57502260 has 72 divisors (see below), whose sum is σ = 177316776. Its totient is φ = 15079680.

The previous prime is 57502253. The next prime is 57502337. The reversal of 57502260 is 6220575.

It can be written as a sum of positive squares in 4 ways, for example, as 2683044 + 54819216 = 1638^2 + 7404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8362 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (2462733).

Almost surely, 2^57502260 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 57502260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88658388).

57502260 is an abundant number, since it is smaller than the sum of its proper divisors (119814516).

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

57502260 is a wasteful number, since it uses less digits than its factorization.

57502260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57502260 is about 7583.0244625743. The cubic root of 57502260 is about 385.9771881961.

The spelling of 57502260 in words is "fifty-seven million, five hundred two thousand, two hundred sixty".