57578790 has 16 divisors (see below), whose sum is σ = 138189168. Its totient is φ = 15354336.

The previous prime is 57578789. The next prime is 57578791. The reversal of 57578790 is 9787575.

It is an interprime number because it is at equal distance from previous prime (57578789) and next prime (57578791).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57578791) 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, 959617 + ... + 959676.

It is an arithmetic number, because the mean of its divisors is an integer number (8636823).

Almost surely, 2^57578790 is an apocalyptic number.

57578790 is an abundant number, since it is smaller than the sum of its proper divisors (80610378).

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

57578790 is a wasteful number, since it uses less digits than its factorization.

57578790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919303.

The product of its (nonzero) digits is 617400, while the sum is 48.

The square root of 57578790 is about 7588.0689243048. The cubic root of 57578790 is about 386.1483451758.

The spelling of 57578790 in words is "fifty-seven million, five hundred seventy-eight thousand, seven hundred ninety".