57788356352 has 72 divisors (see below), whose sum is σ = 119697621120. Its totient is φ = 27824348160.

The previous prime is 57788356319. The next prime is 57788356393. The reversal of 57788356352 is 25365388775.

It is a junction number, because it is equal to n+sod(n) for n = 57788356291 and 57788356300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744599 + ... + 818537.

It is an arithmetic number, because the mean of its divisors is an integer number (1662466960).

Almost surely, 2^57788356352 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 57788356352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59848810560).

57788356352 is an abundant number, since it is smaller than the sum of its proper divisors (61909264768).

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

57788356352 is an equidigital number, since it uses as much as digits as its factorization.

57788356352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74069 (or 74055 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 59.

The spelling of 57788356352 in words is "fifty-seven billion, seven hundred eighty-eight million, three hundred fifty-six thousand, three hundred fifty-two".