57447684536 has 64 divisors (see below), whose sum is σ = 124847568000. Its totient is φ = 24506962560.

The previous prime is 57447684529. The next prime is 57447684563. The reversal of 57447684536 is 63548674475.

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, 18350 + ... + 339458.

It is an arithmetic number, because the mean of its divisors is an integer number (1950743250).

Almost surely, 2^57447684536 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 57447684536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62423784000).

57447684536 is an abundant number, since it is smaller than the sum of its proper divisors (67399883464).

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

57447684536 is a wasteful number, since it uses less digits than its factorization.

57447684536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321252 (or 321248 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 59.

The spelling of 57447684536 in words is "fifty-seven billion, four hundred forty-seven million, six hundred eighty-four thousand, five hundred thirty-six".