550625999 has 32 divisors (see below), whose sum is σ = 711659520. Its totient is φ = 413452800.

The previous prime is 550625993. The next prime is 550626007. The reversal of 550625999 is 999526055.

550625999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 550625999 - 2²⁰ = 549577423 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550625993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928247 + ... + 928839.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^550625999 is an apocalyptic number.

550625999 is a deficient number, since it is larger than the sum of its proper divisors (161033521).

550625999 is a wasteful number, since it uses less digits than its factorization.

550625999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 1093500, while the sum is 50.

The square root of 550625999 is about 23465.4213471653. The cubic root of 550625999 is about 819.6319977706.

The spelling of 550625999 in words is "five hundred fifty million, six hundred twenty-five thousand, nine hundred ninety-nine".