557258140 has 48 divisors (see below), whose sum is σ = 1192514400. Its totient is φ = 218702592.

The previous prime is 557258131. The next prime is 557258161. The reversal of 557258140 is 41852755.

It is a self number, because there is not a number n which added to its sum of digits gives 557258140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232066 + ... + 234454.

It is an arithmetic number, because the mean of its divisors is an integer number (24844050).

Almost surely, 2^557258140 is an apocalyptic number.

It is an amenable number.

557258140 is an abundant number, since it is smaller than the sum of its proper divisors (635256260).

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

557258140 is a wasteful number, since it uses less digits than its factorization.

557258140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2612 counting only the distinct ones).

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

The square root of 557258140 is about 23606.3156803428. The cubic root of 557258140 is about 822.9096218792.

The spelling of 557258140 in words is "five hundred fifty-seven million, two hundred fifty-eight thousand, one hundred forty".