550640253 has 16 divisors (see below), whose sum is σ = 754740800. Its totient is φ = 356835456.

The previous prime is 550640239. The next prime is 550640261. The reversal of 550640253 is 352046055.

It is not a de Polignac number, because 550640253 - 2⁵ = 550640221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550640253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550644253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179073 + ... + 182121.

It is an arithmetic number, because the mean of its divisors is an integer number (47171300).

Almost surely, 2^550640253 is an apocalyptic number.

It is an amenable number.

550640253 is a deficient number, since it is larger than the sum of its proper divisors (204100547).

550640253 is a wasteful number, since it uses less digits than its factorization.

550640253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716.

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

The square root of 550640253 is about 23465.7250687039. The cubic root of 550640253 is about 819.6390702866.

The spelling of 550640253 in words is "five hundred fifty million, six hundred forty thousand, two hundred fifty-three".