557319013 has 4 divisors (see below), whose sum is σ = 576536940. Its totient is φ = 538101088.

The previous prime is 557318977. The next prime is 557319017. The reversal of 557319013 is 310913755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310913755 = 5 ⋅62182751.

It can be written as a sum of positive squares in 2 ways, for example, as 180687364 + 376631649 = 13442^2 + 19407^2 .

It is a cyclic number.

It is not a de Polignac number, because 557319013 - 2¹³ = 557310821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557319013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557319017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9608920 + ... + 9608977.

It is an arithmetic number, because the mean of its divisors is an integer number (144134235).

Almost surely, 2^557319013 is an apocalyptic number.

It is an amenable number.

557319013 is a deficient number, since it is larger than the sum of its proper divisors (19217927).

557319013 is a wasteful number, since it uses less digits than its factorization.

557319013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19217926.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 557319013 is about 23607.6049822933. The cubic root of 557319013 is about 822.9395847456.

The spelling of 557319013 in words is "five hundred fifty-seven million, three hundred nineteen thousand, thirteen".