555642013 has 4 divisors (see below), whose sum is σ = 556305120. Its totient is φ = 554978908.

The previous prime is 555642011. The next prime is 555642019. The reversal of 555642013 is 310246555.

555642013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310246555 = 5 ⋅62049311.

It is a cyclic number.

It is not a de Polignac number, because 555642013 - 2¹ = 555642011 is a prime.

It is a super-2 number, since 2×555642013² = 617476093221384338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555642011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330295 + ... + 331972.

It is an arithmetic number, because the mean of its divisors is an integer number (139076280).

Almost surely, 2^555642013 is an apocalyptic number.

It is an amenable number.

555642013 is a deficient number, since it is larger than the sum of its proper divisors (663107).

555642013 is an equidigital number, since it uses as much as digits as its factorization.

555642013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663106.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 555642013 is about 23572.0600075598. The cubic root of 555642013 is about 822.1133337102.

Adding to 555642013 its reverse (310246555), we get a palindrome (865888568).

The spelling of 555642013 in words is "five hundred fifty-five million, six hundred forty-two thousand, thirteen".