550433550 has 24 divisors (see below), whose sum is σ = 1365075576. Its totient is φ = 146782240.

The previous prime is 550433483. The next prime is 550433557. The reversal of 550433550 is 55334055.

550433550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550433557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1834629 + ... + 1834928.

It is an arithmetic number, because the mean of its divisors is an integer number (56878149).

Almost surely, 2^550433550 is an apocalyptic number.

550433550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550433550 is an abundant number, since it is smaller than the sum of its proper divisors (814642026).

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

550433550 is a wasteful number, since it uses less digits than its factorization.

550433550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669572 (or 3669567 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 550433550 is about 23461.3202953286. The cubic root of 550433550 is about 819.5364969290.

The spelling of 550433550 in words is "five hundred fifty million, four hundred thirty-three thousand, five hundred fifty".