57931002 has 72 divisors (see below), whose sum is σ = 138023028. Its totient is φ = 17498880.

The previous prime is 57930911. The next prime is 57931007. The reversal of 57931002 is 20013975.

It can be written as a sum of positive squares in 2 ways, for example, as 46090521 + 11840481 = 6789^2 + 3441^2 .

It is not an unprimeable number, because it can be changed into a prime (57931007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 293968 + ... + 294164.

Almost surely, 2^57931002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57931002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69011514).

57931002 is an abundant number, since it is smaller than the sum of its proper divisors (80092026).

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

57931002 is a wasteful number, since it uses less digits than its factorization.

57931002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 57931002 is about 7611.2418172070. The cubic root of 57931002 is about 386.9341073240.

Adding to 57931002 its reverse (20013975), we get a palindrome (77944977).

The spelling of 57931002 in words is "fifty-seven million, nine hundred thirty-one thousand, two".