556973693 has 4 divisors (see below), whose sum is σ = 557219520. Its totient is φ = 556727868.

The previous prime is 556973689. The next prime is 556973707. The reversal of 556973693 is 396379655.

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 556973693 - 2² = 556973689 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 (556973603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119483 + ... + 124056.

It is an arithmetic number, because the mean of its divisors is an integer number (139304880).

Almost surely, 2^556973693 is an apocalyptic number.

It is an amenable number.

556973693 is a deficient number, since it is larger than the sum of its proper divisors (245827).

556973693 is a wasteful number, since it uses less digits than its factorization.

556973693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245826.

The product of its digits is 4592700, while the sum is 53.

The square root of 556973693 is about 23600.2901041491. The cubic root of 556973693 is about 822.7695826438.

The spelling of 556973693 in words is "five hundred fifty-six million, nine hundred seventy-three thousand, six hundred ninety-three".