557893956 has 12 divisors (see below), whose sum is σ = 1301752592. Its totient is φ = 185964648.

The previous prime is 557893943. The next prime is 557893961. The reversal of 557893956 is 659398755.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×557893956² = 622491332282659872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557893896 and 557893905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23245570 + ... + 23245593.

Almost surely, 2^557893956 is an apocalyptic number.

It is an amenable number.

557893956 is an abundant number, since it is smaller than the sum of its proper divisors (743858636).

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

557893956 is a wasteful number, since it uses less digits than its factorization.

557893956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46491170 (or 46491168 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 57.

The square root of 557893956 is about 23619.7789151381. The cubic root of 557893956 is about 823.2224752350. Note that the first 3 decimals are identical.

The spelling of 557893956 in words is "five hundred fifty-seven million, eight hundred ninety-three thousand, nine hundred fifty-six".