550777853 has 2 divisors, whose sum is σ = 550777854. Its totient is φ = 550777852.

The previous prime is 550777847. The next prime is 550777861. The reversal of 550777853 is 358777055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368716804 + 182061049 = 19202^2 + 13493^2 .

It is a cyclic number.

It is not a de Polignac number, because 550777853 - 2⁶ = 550777789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550777798 and 550777807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550777813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275388926 + 275388927.

It is an arithmetic number, because the mean of its divisors is an integer number (275388927).

Almost surely, 2^550777853 is an apocalyptic number.

It is an amenable number.

550777853 is a deficient number, since it is larger than the sum of its proper divisors (1).

550777853 is an equidigital number, since it uses as much as digits as its factorization.

550777853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The square root of 550777853 is about 23468.6568213863. The cubic root of 550777853 is about 819.7073380545.

The spelling of 550777853 in words is "five hundred fifty million, seven hundred seventy-seven thousand, eight hundred fifty-three".