556506117 has 6 divisors (see below), whose sum is σ = 803842182. Its totient is φ = 371004072.

The previous prime is 556506107. The next prime is 556506127. The reversal of 556506117 is 711605655.

It is an interprime number because it is at equal distance from previous prime (556506107) and next prime (556506127).

It can be written as a sum of positive squares in only one way, i.e., 555733476 + 772641 = 23574^2 + 879^2 .

It is not a de Polignac number, because 556506117 - 2²² = 552311813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556506107) 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, 30916998 + ... + 30917015.

It is an arithmetic number, because the mean of its divisors is an integer number (133973697).

Almost surely, 2^556506117 is an apocalyptic number.

It is an amenable number.

556506117 is a deficient number, since it is larger than the sum of its proper divisors (247336065).

556506117 is a wasteful number, since it uses less digits than its factorization.

556506117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61834019 (or 61834016 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 556506117 is about 23590.3818748235. The cubic root of 556506117 is about 822.5392815132.

The spelling of 556506117 in words is "five hundred fifty-six million, five hundred six thousand, one hundred seventeen".