557090274 has 32 divisors (see below), whose sum is σ = 1238598144. Its totient is φ = 165882240.

The previous prime is 557090239. The next prime is 557090297. The reversal of 557090274 is 472090755.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon 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, 112779 + ... + 117614.

It is an arithmetic number, because the mean of its divisors is an integer number (38706192).

Almost surely, 2^557090274 is an apocalyptic number.

557090274 is an abundant number, since it is smaller than the sum of its proper divisors (681507870).

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

557090274 is a wasteful number, since it uses less digits than its factorization.

557090274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230442.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 557090274 is about 23602.7598809970. The cubic root of 557090274 is about 822.8269836847.

The spelling of 557090274 in words is "five hundred fifty-seven million, ninety thousand, two hundred seventy-four".