955278553 has 2 divisors, whose sum is σ = 955278554. Its totient is φ = 955278552.

The previous prime is 955278461. The next prime is 955278587. The reversal of 955278553 is 355872559.

955278553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647346249 + 307932304 = 25443^2 + 17548^2 .

It is a cyclic number.

It is not a de Polignac number, because 955278553 - 2²¹ = 953181401 is a prime.

It is a super-2 number, since 2×955278553² = 1825114227643547618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 955278497 and 955278506.

It is not a weakly prime, because it can be changed into another prime (955278353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477639276 + 477639277.

It is an arithmetic number, because the mean of its divisors is an integer number (477639277).

Almost surely, 2^955278553 is an apocalyptic number.

It is an amenable number.

955278553 is a deficient number, since it is larger than the sum of its proper divisors (1).

955278553 is an equidigital number, since it uses as much as digits as its factorization.

955278553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890000, while the sum is 49.

The square root of 955278553 is about 30907.5808338343. The cubic root of 955278553 is about 984.8649365171.

The spelling of 955278553 in words is "nine hundred fifty-five million, two hundred seventy-eight thousand, five hundred fifty-three".