57747904512 has 192 divisors, whose sum is σ = 161134777440. Its totient is φ = 18371837952.

The previous prime is 57747904483. The next prime is 57747904519. The reversal of 57747904512 is 21540974775.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57747904519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12045988 + ... + 12050780.

Almost surely, 2^57747904512 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 57747904512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80567388720).

57747904512 is an abundant number, since it is smaller than the sum of its proper divisors (103386872928).

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

57747904512 is a wasteful number, since it uses less digits than its factorization.

57747904512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 57747904512 in words is "fifty-seven billion, seven hundred forty-seven million, nine hundred four thousand, five hundred twelve".