557082109 has 4 divisors (see below), whose sum is σ = 586402240. Its totient is φ = 527761980.

The previous prime is 557082091. The next prime is 557082133. The reversal of 557082109 is 901280755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557082109 - 2¹⁷ = 556951037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557080109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14660037 + ... + 14660074.

It is an arithmetic number, because the mean of its divisors is an integer number (146600560).

Almost surely, 2^557082109 is an apocalyptic number.

It is an amenable number.

557082109 is a deficient number, since it is larger than the sum of its proper divisors (29320131).

557082109 is a wasteful number, since it uses less digits than its factorization.

557082109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29320130.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 557082109 is about 23602.5869133025. The cubic root of 557082109 is about 822.8229637407.

The spelling of 557082109 in words is "five hundred fifty-seven million, eighty-two thousand, one hundred nine".