557996965 has 16 divisors (see below), whose sum is σ = 679492800. Its totient is φ = 439829632.

The previous prime is 557996953. The next prime is 557996969. The reversal of 557996965 is 569699755.

It is a cyclic number.

It is not a de Polignac number, because 557996965 - 2¹¹ = 557994917 is a prime.

It is a super-2 number, since 2×557996965² = 622721225898422450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557996969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172281 + ... + 175489.

It is an arithmetic number, because the mean of its divisors is an integer number (42468300).

Almost surely, 2^557996965 is an apocalyptic number.

It is an amenable number.

557996965 is a deficient number, since it is larger than the sum of its proper divisors (121495835).

557996965 is a wasteful number, since it uses less digits than its factorization.

557996965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its digits is 22963500, while the sum is 61.

The square root of 557996965 is about 23621.9593810505. The cubic root of 557996965 is about 823.2731384506.

The spelling of 557996965 in words is "five hundred fifty-seven million, nine hundred ninety-six thousand, nine hundred sixty-five".