557425540 has 48 divisors (see below), whose sum is σ = 1339228800. Its totient is φ = 190916352.

The previous prime is 557425537. The next prime is 557425541. The reversal of 557425540 is 45524755.

It is a self number, because there is not a number n which added to its sum of digits gives 557425540.

It is not an unprimeable number, because it can be changed into a prime (557425541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202896 + ... + 205624.

It is an arithmetic number, because the mean of its divisors is an integer number (27900600).

Almost surely, 2^557425540 is an apocalyptic number.

It is an amenable number.

557425540 is an abundant number, since it is smaller than the sum of its proper divisors (781803260).

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

557425540 is a wasteful number, since it uses less digits than its factorization.

557425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 37.

The square root of 557425540 is about 23609.8610754066. The cubic root of 557425540 is about 822.9920141431.

The spelling of 557425540 in words is "five hundred fifty-seven million, four hundred twenty-five thousand, five hundred forty".