556798307 has 4 divisors (see below), whose sum is σ = 599628960. Its totient is φ = 513967656.

The previous prime is 556798273. The next prime is 556798343. The reversal of 556798307 is 703897655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556798307 - 2¹⁴ = 556781923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556798397) 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, 21415307 + ... + 21415332.

It is an arithmetic number, because the mean of its divisors is an integer number (149907240).

Almost surely, 2^556798307 is an apocalyptic number.

556798307 is a deficient number, since it is larger than the sum of its proper divisors (42830653).

556798307 is a wasteful number, since it uses less digits than its factorization.

556798307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42830652.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 556798307 is about 23596.5740521797. The cubic root of 556798307 is about 822.6832126668.

The spelling of 556798307 in words is "five hundred fifty-six million, seven hundred ninety-eight thousand, three hundred seven".