556379331 has 16 divisors (see below), whose sum is σ = 752707200. Its totient is φ = 365525568.

The previous prime is 556379321. The next prime is 556379347. The reversal of 556379331 is 133973655.

It is not a de Polignac number, because 556379331 - 2⁶ = 556379267 is a prime.

It is a super-2 number, since 2×556379331² = 619115919928015122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (556379321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52260 + ... + 61998.

It is an arithmetic number, because the mean of its divisors is an integer number (47044200).

Almost surely, 2^556379331 is an apocalyptic number.

556379331 is a deficient number, since it is larger than the sum of its proper divisors (196327869).

556379331 is a wasteful number, since it uses less digits than its factorization.

556379331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its digits is 255150, while the sum is 42.

The square root of 556379331 is about 23587.6944825051. The cubic root of 556379331 is about 822.4768117679.

The spelling of 556379331 in words is "five hundred fifty-six million, three hundred seventy-nine thousand, three hundred thirty-one".