550135013 has 4 divisors (see below), whose sum is σ = 550537068. Its totient is φ = 549732960.

The previous prime is 550134997. The next prime is 550135031. The reversal of 550135013 is 310531055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310531055 = 5 ⋅62106211.

It can be written as a sum of positive squares in 2 ways, for example, as 465825889 + 84309124 = 21583^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 550135013 - 2⁴ = 550134997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550135013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550135073) 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, 198968 + ... + 201713.

It is an arithmetic number, because the mean of its divisors is an integer number (137634267).

Almost surely, 2^550135013 is an apocalyptic number.

It is an amenable number.

550135013 is a deficient number, since it is larger than the sum of its proper divisors (402055).

550135013 is a wasteful number, since it uses less digits than its factorization.

550135013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402054.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 550135013 is about 23454.9571093191. The cubic root of 550135013 is about 819.3883069476.

Adding to 550135013 its reverse (310531055), we get a palindrome (860666068).

The spelling of 550135013 in words is "five hundred fifty million, one hundred thirty-five thousand, thirteen".