550322021253 has 4 divisors (see below), whose sum is σ = 733762695008. Its totient is φ = 366881347500.

The previous prime is 550322021189. The next prime is 550322021261. The reversal of 550322021253 is 352120223055.

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 not a de Polignac number, because 550322021253 - 2⁶ = 550322021189 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 550322021253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550322020253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91720336873 + ... + 91720336878.

It is an arithmetic number, because the mean of its divisors is an integer number (183440673752).

Almost surely, 2^550322021253 is an apocalyptic number.

It is an amenable number.

550322021253 is a deficient number, since it is larger than the sum of its proper divisors (183440673755).

550322021253 is a wasteful number, since it uses less digits than its factorization.

550322021253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183440673754.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 550322021253 in words is "five hundred fifty billion, three hundred twenty-two million, twenty-one thousand, two hundred fifty-three".