557182540 has 36 divisors (see below), whose sum is σ = 1189738368. Its totient is φ = 219190080.

The previous prime is 557182513. The next prime is 557182541. The reversal of 557182540 is 45281755.

557182540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 557182540.

It is not an unprimeable number, because it can be changed into a prime (557182541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70677 + ... + 78163.

It is an arithmetic number, because the mean of its divisors is an integer number (33048288).

Almost surely, 2^557182540 is an apocalyptic number.

It is an amenable number.

557182540 is an abundant number, since it is smaller than the sum of its proper divisors (632555828).

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

557182540 is a wasteful number, since it uses less digits than its factorization.

557182540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618 (or 7555 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 557182540 is about 23604.7143596359. The cubic root of 557182540 is about 822.8724070611.

The spelling of 557182540 in words is "five hundred fifty-seven million, one hundred eighty-two thousand, five hundred forty".