550440456 has 16 divisors (see below), whose sum is σ = 1376101200. Its totient is φ = 183480144.

The previous prime is 550440437. The next prime is 550440461. The reversal of 550440456 is 654044055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11467486 + ... + 11467533.

It is an arithmetic number, because the mean of its divisors is an integer number (86006325).

Almost surely, 2^550440456 is an apocalyptic number.

It is an amenable number.

550440456 is an abundant number, since it is smaller than the sum of its proper divisors (825660744).

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

550440456 is a wasteful number, since it uses less digits than its factorization.

550440456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22935028 (or 22935024 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 550440456 is about 23461.4674732848. The cubic root of 550440456 is about 819.5399243457.

The spelling of 550440456 in words is "five hundred fifty million, four hundred forty thousand, four hundred fifty-six".