556147017 has 6 divisors (see below), whose sum is σ = 803323482. Its totient is φ = 370764672.

The previous prime is 556146991. The next prime is 556147021. The reversal of 556147017 is 710741655.

It can be written as a sum of positive squares in only one way, i.e., 534719376 + 21427641 = 23124^2 + 4629^2 .

It is not a de Polignac number, because 556147017 - 2⁸ = 556146761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556147057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30897048 + ... + 30897065.

It is an arithmetic number, because the mean of its divisors is an integer number (133887247).

Almost surely, 2^556147017 is an apocalyptic number.

It is an amenable number.

556147017 is a deficient number, since it is larger than the sum of its proper divisors (247176465).

556147017 is a wasteful number, since it uses less digits than its factorization.

556147017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61794119 (or 61794116 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 556147017 is about 23582.7694938487. The cubic root of 556147017 is about 822.3623218462.

The spelling of 556147017 in words is "five hundred fifty-six million, one hundred forty-seven thousand, seventeen".