550447960 has 64 divisors (see below), whose sum is σ = 1323967680. Its totient is φ = 205455360.

The previous prime is 550447951. The next prime is 550447979. The reversal of 550447960 is 69744055.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30424 + ... + 45016.

It is an arithmetic number, because the mean of its divisors is an integer number (20686995).

Almost surely, 2^550447960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550447960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661983840).

550447960 is an abundant number, since it is smaller than the sum of its proper divisors (773519720).

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

550447960 is a wasteful number, since it uses less digits than its factorization.

550447960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14668 (or 14664 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 550447960 is about 23461.6273945351. The cubic root of 550447960 is about 819.5436485146.

The spelling of 550447960 in words is "five hundred fifty million, four hundred forty-seven thousand, nine hundred sixty".