550999456 has 48 divisors (see below), whose sum is σ = 1279756800. Its totient is φ = 228522240.

The previous prime is 550999447. The next prime is 550999457. The reversal of 550999456 is 654999055.

It is not an unprimeable number, because it can be changed into a prime (550999457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32731 + ... + 46618.

It is an arithmetic number, because the mean of its divisors is an integer number (26661600).

Almost surely, 2^550999456 is an apocalyptic number.

550999456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

550999456 is an abundant number, since it is smaller than the sum of its proper divisors (728757344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550999456 is a wasteful number, since it uses less digits than its factorization.

550999456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79397 (or 79389 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 52.

The square root of 550999456 is about 23473.3776010186. The cubic root of 550999456 is about 819.8172585047.

The spelling of 550999456 in words is "five hundred fifty million, nine hundred ninety-nine thousand, four hundred fifty-six".