556338945 has 16 divisors (see below), whose sum is σ = 910844352. Its totient is φ = 289813440.

The previous prime is 556338917. The next prime is 556338977. The reversal of 556338945 is 549833655.

It is not a de Polignac number, because 556338945 - 2⁷ = 556338817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556338894 and 556338903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430626 + ... + 431915.

It is an arithmetic number, because the mean of its divisors is an integer number (56927772).

Almost surely, 2^556338945 is an apocalyptic number.

It is an amenable number.

556338945 is a deficient number, since it is larger than the sum of its proper divisors (354505407).

556338945 is a wasteful number, since it uses less digits than its factorization.

556338945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862592.

The product of its digits is 1944000, while the sum is 48.

The square root of 556338945 is about 23586.8383849977. The cubic root of 556338945 is about 822.4569108656.

The spelling of 556338945 in words is "five hundred fifty-six million, three hundred thirty-eight thousand, nine hundred forty-five".