550755072 has 144 divisors (see below), whose sum is σ = 1861511680. Its totient is φ = 157344768.

The previous prime is 550755061. The next prime is 550755089. The reversal of 550755072 is 270557055.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×550755072² = 606662298667450368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 42693 + ... + 54075.

Almost surely, 2^550755072 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 550755072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930755840).

550755072 is an abundant number, since it is smaller than the sum of its proper divisors (1310756608).

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

550755072 is a wasteful number, since it uses less digits than its factorization.

550755072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415 (or 11395 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 550755072 is about 23468.1714669038. The cubic root of 550755072 is about 819.6960364561.

The spelling of 550755072 in words is "five hundred fifty million, seven hundred fifty-five thousand, seventy-two".