57785088 has 72 divisors (see below), whose sum is σ = 156227008. Its totient is φ = 18957312.

The previous prime is 57785071. The next prime is 57785089. The reversal of 57785088 is 88058775.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (57785089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50895 + ... + 52017.

Almost surely, 2^57785088 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 57785088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78113504).

57785088 is an abundant number, since it is smaller than the sum of its proper divisors (98441920).

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

57785088 is a wasteful number, since it uses less digits than its factorization.

57785088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 48.

The square root of 57785088 is about 7601.6503471286. The cubic root of 57785088 is about 386.6089701203.

The spelling of 57785088 in words is "fifty-seven million, seven hundred eighty-five thousand, eighty-eight".