550412999 has 4 divisors (see below), whose sum is σ = 565289064. Its totient is φ = 535536936.

The previous prime is 550412971. The next prime is 550413037. The reversal of 550412999 is 999214055.

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 550412999 - 2¹⁶ = 550347463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550412939) 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, 7437977 + ... + 7438050.

It is an arithmetic number, because the mean of its divisors is an integer number (141322266).

Almost surely, 2^550412999 is an apocalyptic number.

550412999 is a deficient number, since it is larger than the sum of its proper divisors (14876065).

550412999 is a wasteful number, since it uses less digits than its factorization.

550412999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14876064.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 550412999 is about 23460.8823150367. The cubic root of 550412999 is about 819.5262973908.

The spelling of 550412999 in words is "five hundred fifty million, four hundred twelve thousand, nine hundred ninety-nine".