57695580 has 72 divisors (see below), whose sum is σ = 179760672. Its totient is φ = 14967936.

The previous prime is 57695579. The next prime is 57695581. The reversal of 57695580 is 8559675.

57695580 is a `hidden beast` number, since 5 + 7 + 69 + 5 + 580 = 666.

It is an interprime number because it is at equal distance from previous prime (57695579) and next prime (57695581).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57695581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2329 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (2496676).

Almost surely, 2^57695580 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 57695580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89880336).

57695580 is an abundant number, since it is smaller than the sum of its proper divisors (122065092).

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

57695580 is a wasteful number, since it uses less digits than its factorization.

57695580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715 (or 8710 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 57695580 is about 7595.7606597365. The cubic root of 57695580 is about 386.4092503219.

The spelling of 57695580 in words is "fifty-seven million, six hundred ninety-five thousand, five hundred eighty".