57897399534 has 64 divisors (see below), whose sum is σ = 128305912896. Its totient is φ = 17301510144.

The previous prime is 57897399509. The next prime is 57897399541. The reversal of 57897399534 is 43599379875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1589494 + ... + 1625510.

It is an arithmetic number, because the mean of its divisors is an integer number (2004779889).

Almost surely, 2^57897399534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57897399534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64152956448).

57897399534 is an abundant number, since it is smaller than the sum of its proper divisors (70408513362).

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

57897399534 is a wasteful number, since it uses less digits than its factorization.

57897399534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36629.

The product of its digits is 257191200, while the sum is 69.

The spelling of 57897399534 in words is "fifty-seven billion, eight hundred ninety-seven million, three hundred ninety-nine thousand, five hundred thirty-four".