57706805052 has 432 divisors, whose sum is σ = 173988753120. Its totient is φ = 16619986944.

The previous prime is 57706805027. The next prime is 57706805081. The reversal of 57706805052 is 25050860775.

It is a junction number, because it is equal to n+sod(n) for n = 57706804989 and 57706805007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 594915468 + ... + 594915564.

Almost surely, 2^57706805052 is an apocalyptic number.

57706805052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57706805052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86994376560).

57706805052 is an abundant number, since it is smaller than the sum of its proper divisors (116281948068).

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

57706805052 is a wasteful number, since it uses less digits than its factorization.

57706805052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 57706805052 in words is "fifty-seven billion, seven hundred six million, eight hundred five thousand, fifty-two".