57684994612 has 144 divisors (see below), whose sum is σ = 130025226240. Its totient is φ = 22222081728.

The previous prime is 57684994597. The next prime is 57684994637. The reversal of 57684994612 is 21649948675.

It is a happy number.

57684994612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10875153 + ... + 10880455.

It is an arithmetic number, because the mean of its divisors is an integer number (902952960).

Almost surely, 2^57684994612 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 57684994612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65012613120).

57684994612 is an abundant number, since it is smaller than the sum of its proper divisors (72340231628).

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

57684994612 is a wasteful number, since it uses less digits than its factorization.

57684994612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5481 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 57684994612 in words is "fifty-seven billion, six hundred eighty-four million, nine hundred ninety-four thousand, six hundred twelve".