57490877952 has 160 divisors (see below), whose sum is σ = 171267386400. Its totient is φ = 19040845824.

The previous prime is 57490877893. The next prime is 57490877953. The reversal of 57490877952 is 25977809475.

57490877952 is a `hidden beast` number, since 57 + 490 + 8 + 7 + 7 + 95 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57490877952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57490877953) 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, 2157124 + ... + 2183612.

It is an arithmetic number, because the mean of its divisors is an integer number (1070421165).

Almost surely, 2^57490877952 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 57490877952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85633693200).

57490877952 is an abundant number, since it is smaller than the sum of its proper divisors (113776508448).

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

57490877952 is a wasteful number, since it uses less digits than its factorization.

57490877952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26673 (or 26651 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 57490877952 in words is "fifty-seven billion, four hundred ninety million, eight hundred seventy-seven thousand, nine hundred fifty-two".