57531298636 has 48 divisors (see below), whose sum is σ = 119313714240. Its totient is φ = 23749367040.

The previous prime is 57531298603. The next prime is 57531298703. The reversal of 57531298636 is 63689213575.

57531298636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 257706 + ... + 425998.

It is an arithmetic number, because the mean of its divisors is an integer number (2485702380).

Almost surely, 2^57531298636 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 57531298636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59656857120).

57531298636 is an abundant number, since it is smaller than the sum of its proper divisors (61782415604).

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

57531298636 is a wasteful number, since it uses less digits than its factorization.

57531298636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168754 (or 168752 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 57531298636 in words is "fifty-seven billion, five hundred thirty-one million, two hundred ninety-eight thousand, six hundred thirty-six".