550633642253 has 2 divisors, whose sum is σ = 550633642254. Its totient is φ = 550633642252.

The previous prime is 550633642201. The next prime is 550633642261. The reversal of 550633642253 is 352246336055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335302376809 + 215331265444 = 579053^2 + 464038^2 .

It is a cyclic number.

It is not a de Polignac number, because 550633642253 - 2⁶ = 550633642189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550633642553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275316821126 + 275316821127.

It is an arithmetic number, because the mean of its divisors is an integer number (275316821127).

Almost surely, 2^550633642253 is an apocalyptic number.

It is an amenable number.

550633642253 is a deficient number, since it is larger than the sum of its proper divisors (1).

550633642253 is an equidigital number, since it uses as much as digits as its factorization.

550633642253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 550633642253 in words is "five hundred fifty billion, six hundred thirty-three million, six hundred forty-two thousand, two hundred fifty-three".