557961285 has 24 divisors (see below), whose sum is σ = 1038492576. Its totient is φ = 255067680.

The previous prime is 557961241. The next prime is 557961311. The reversal of 557961285 is 582169755.

It is a happy number.

It is not a de Polignac number, because 557961285 - 2⁹ = 557960773 is a prime.

It is a super-2 number, since 2×557961285² = 622641591117702450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378831 + ... + 380300.

It is an arithmetic number, because the mean of its divisors is an integer number (43270524).

Almost surely, 2^557961285 is an apocalyptic number.

It is an amenable number.

557961285 is a deficient number, since it is larger than the sum of its proper divisors (480531291).

557961285 is a wasteful number, since it uses less digits than its factorization.

557961285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759153 (or 759146 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 557961285 is about 23621.2041395014. The cubic root of 557961285 is about 823.2555905584.

The spelling of 557961285 in words is "five hundred fifty-seven million, nine hundred sixty-one thousand, two hundred eighty-five".