57381568532 has 48 divisors (see below), whose sum is σ = 104547413712. Its totient is φ = 27535749120.

The previous prime is 57381568523. The next prime is 57381568627. The reversal of 57381568532 is 23586518375.

It can be written as a sum of positive squares in 8 ways, for example, as 12384128656 + 44997439876 = 111284^2 + 212126^2 .

It is a super-2 number, since 2×57381568532² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4746848 + ... + 4758920.

It is an arithmetic number, because the mean of its divisors is an integer number (2178071119).

Almost surely, 2^57381568532 is an apocalyptic number.

It is an amenable number.

57381568532 is a deficient number, since it is larger than the sum of its proper divisors (47165845180).

57381568532 is a wasteful number, since it uses less digits than its factorization.

57381568532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588 (or 12586 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 57381568532 in words is "fifty-seven billion, three hundred eighty-one million, five hundred sixty-eight thousand, five hundred thirty-two".