555664013 has 4 divisors (see below), whose sum is σ = 555732960. Its totient is φ = 555595068.

The previous prime is 555664009. The next prime is 555664019. The reversal of 555664013 is 310466555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555664013 - 2² = 555664009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555664019) 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 3 ways as a sum of consecutive naturals, for example, 20495 + ... + 39132.

It is an arithmetic number, because the mean of its divisors is an integer number (138933240).

Almost surely, 2^555664013 is an apocalyptic number.

It is an amenable number.

555664013 is a deficient number, since it is larger than the sum of its proper divisors (68947).

555664013 is an equidigital number, since it uses as much as digits as its factorization.

555664013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68946.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 555664013 is about 23572.5266571066. The cubic root of 555664013 is about 822.1241837745.

The spelling of 555664013 in words is "five hundred fifty-five million, six hundred sixty-four thousand, thirteen".