556322013 has 48 divisors (see below), whose sum is σ = 912469376. Its totient is φ = 336623040.

The previous prime is 556322009. The next prime is 556322017. The reversal of 556322013 is 310223655.

556322013 is a `hidden beast` number, since 5 + 5 + 632 + 20 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (556322009) and next prime (556322017).

It is not a de Polignac number, because 556322013 - 2² = 556322009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556322017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191256 + ... + 194142.

Almost surely, 2^556322013 is an apocalyptic number.

It is an amenable number.

556322013 is a deficient number, since it is larger than the sum of its proper divisors (356147363).

556322013 is a wasteful number, since it uses less digits than its factorization.

556322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 556322013 is about 23586.4794532800. The cubic root of 556322013 is about 822.4485670422.

Adding to 556322013 its reverse (310223655), we get a palindrome (866545668).

The spelling of 556322013 in words is "five hundred fifty-six million, three hundred twenty-two thousand, thirteen".