57251071904 has 96 divisors (see below), whose sum is σ = 128616175296. Its totient is φ = 24851312640.

The previous prime is 57251071903. The next prime is 57251071967. The reversal of 57251071904 is 40917015275.

It is not an unprimeable number, because it can be changed into a prime (57251071903) 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, 16030439 + ... + 16034009.

It is an arithmetic number, because the mean of its divisors is an integer number (1339751826).

Almost surely, 2^57251071904 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 57251071904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64308087648).

57251071904 is an abundant number, since it is smaller than the sum of its proper divisors (71365103392).

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

57251071904 is a wasteful number, since it uses less digits than its factorization.

57251071904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 57251071904 in words is "fifty-seven billion, two hundred fifty-one million, seventy-one thousand, nine hundred four".