550580731 has 2 divisors, whose sum is σ = 550580732. Its totient is φ = 550580730.

The previous prime is 550580711. The next prime is 550580761. The reversal of 550580731 is 137085055.

550580731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550580731 - 2⁵ = 550580699 is a prime.

It is a super-2 number, since 2×550580731² = 606278282696988722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550580711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275290365 + 275290366.

It is an arithmetic number, because the mean of its divisors is an integer number (275290366).

Almost surely, 2^550580731 is an apocalyptic number.

550580731 is a deficient number, since it is larger than the sum of its proper divisors (1).

550580731 is an equidigital number, since it uses as much as digits as its factorization.

550580731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 550580731 is about 23464.4567591070. The cubic root of 550580731 is about 819.6095359918.

The spelling of 550580731 in words is "five hundred fifty million, five hundred eighty thousand, seven hundred thirty-one".