550015872 has 128 divisors (see below), whose sum is σ = 1693167360. Its totient is φ = 154939392.

The previous prime is 550015867. The next prime is 550015883. The reversal of 550015872 is 278510055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 194823 + ... + 197625.

It is an arithmetic number, because the mean of its divisors is an integer number (13227870).

Almost surely, 2^550015872 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 550015872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846583680).

550015872 is an abundant number, since it is smaller than the sum of its proper divisors (1143151488).

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

550015872 is a wasteful number, since it uses less digits than its factorization.

550015872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 550015872 is about 23452.4171888528. The cubic root of 550015872 is about 819.3291518989.

The spelling of 550015872 in words is "five hundred fifty million, fifteen thousand, eight hundred seventy-two".