550887013 has 4 divisors (see below), whose sum is σ = 551422368. Its totient is φ = 550351660.

The previous prime is 550886993. The next prime is 550887017. The reversal of 550887013 is 310788055.

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: 310788055 = 5 ⋅62157611.

It is a cyclic number.

It is not a de Polignac number, because 550887013 - 2¹³ = 550878821 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 (550887017) 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, 266131 + ... + 268192.

It is an arithmetic number, because the mean of its divisors is an integer number (137855592).

Almost surely, 2^550887013 is an apocalyptic number.

It is an amenable number.

550887013 is a deficient number, since it is larger than the sum of its proper divisors (535355).

550887013 is a wasteful number, since it uses less digits than its factorization.

550887013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535354.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 550887013 is about 23470.9823612051. The cubic root of 550887013 is about 819.7614877399.

The spelling of 550887013 in words is "five hundred fifty million, eight hundred eighty-seven thousand, thirteen".