57575380 has 12 divisors (see below), whose sum is σ = 120908340. Its totient is φ = 23030144.

The previous prime is 57575369. The next prime is 57575383. The reversal of 57575380 is 8357575.

It can be written as a sum of positive squares in 2 ways, for example, as 30514576 + 27060804 = 5524^2 + 5202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57575383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439365 + ... + 1439404.

It is an arithmetic number, because the mean of its divisors is an integer number (10075695).

Almost surely, 2^57575380 is an apocalyptic number.

It is an amenable number.

57575380 is an abundant number, since it is smaller than the sum of its proper divisors (63332960).

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

57575380 is a wasteful number, since it uses less digits than its factorization.

57575380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878778 (or 2878776 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 57575380 is about 7587.8442261291. The cubic root of 57575380 is about 386.1407220455.

The spelling of 57575380 in words is "fifty-seven million, five hundred seventy-five thousand, three hundred eighty".