550555507 has 4 divisors (see below), whose sum is σ = 550656216. Its totient is φ = 550454800.

The previous prime is 550555501. The next prime is 550555519. The reversal of 550555507 is 705555055.

550555507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550555507 - 2²³ = 542166899 is a prime.

It is a super-2 number, since 2×550555507² = 606222732576054098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550555501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41653 + ... + 53254.

It is an arithmetic number, because the mean of its divisors is an integer number (137664054).

Almost surely, 2^550555507 is an apocalyptic number.

550555507 is a deficient number, since it is larger than the sum of its proper divisors (100709).

550555507 is an equidigital number, since it uses as much as digits as its factorization.

550555507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100708.

The product of its (nonzero) digits is 109375, while the sum is 37.

The square root of 550555507 is about 23463.9192591519. The cubic root of 550555507 is about 819.5970194219.

The spelling of 550555507 in words is "five hundred fifty million, five hundred fifty-five thousand, five hundred seven".