556328247 has 16 divisors (see below), whose sum is σ = 786742272. Its totient is φ = 348474240.

The previous prime is 556328233. The next prime is 556328273. The reversal of 556328247 is 742823655.

It is not a de Polignac number, because 556328247 - 2⁷ = 556328119 is a prime.

It is a super-2 number, since 2×556328247² = 619002236820186018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556328199 and 556328208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556328207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21972 + ... + 39942.

It is an arithmetic number, because the mean of its divisors is an integer number (49171392).

Almost surely, 2^556328247 is an apocalyptic number.

556328247 is a deficient number, since it is larger than the sum of its proper divisors (230414025).

556328247 is a wasteful number, since it uses less digits than its factorization.

556328247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18598.

The product of its digits is 403200, while the sum is 42.

The square root of 556328247 is about 23586.6116048914. The cubic root of 556328247 is about 822.4516390791.

The spelling of 556328247 in words is "five hundred fifty-six million, three hundred twenty-eight thousand, two hundred forty-seven".