557790266 has 16 divisors (see below), whose sum is σ = 932169600. Its totient is φ = 248146080.

The previous prime is 557790241. The next prime is 557790301. The reversal of 557790266 is 662097755.

557790266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×557790266² = 622259961688701512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 557790266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268691 + ... + 270758.

It is an arithmetic number, because the mean of its divisors is an integer number (58260600).

Almost surely, 2^557790266 is an apocalyptic number.

557790266 is a deficient number, since it is larger than the sum of its proper divisors (374379334).

557790266 is a wasteful number, since it uses less digits than its factorization.

557790266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539509.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 557790266 is about 23617.5838306970. The cubic root of 557790266 is about 823.1714707825.

The spelling of 557790266 in words is "five hundred fifty-seven million, seven hundred ninety thousand, two hundred sixty-six".