550552931 has 2 divisors, whose sum is σ = 550552932. Its totient is φ = 550552930.

The previous prime is 550552913. The next prime is 550552943. The reversal of 550552931 is 139255055.

Together with previous prime (550552913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550552931 - 2¹⁰ = 550551907 is a prime.

It is a super-2 number, since 2×550552931² = 606217059665381522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550552891 and 550552900.

It is not a weakly prime, because it can be changed into another prime (550552231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275276465 + 275276466.

It is an arithmetic number, because the mean of its divisors is an integer number (275276466).

Almost surely, 2^550552931 is an apocalyptic number.

550552931 is a deficient number, since it is larger than the sum of its proper divisors (1).

550552931 is an equidigital number, since it uses as much as digits as its factorization.

550552931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 550552931 is about 23463.8643662974. The cubic root of 550552931 is about 819.5957411462.

The spelling of 550552931 in words is "five hundred fifty million, five hundred fifty-two thousand, nine hundred thirty-one".