551450032 has 40 divisors (see below), whose sum is σ = 1228421376. Its totient is φ = 234912576.

The previous prime is 551450023. The next prime is 551450033. The reversal of 551450032 is 230054155.

551450032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 551449979 and 551450006.

It is not an unprimeable number, because it can be changed into a prime (551450033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963 + ... + 33445.

Almost surely, 2^551450032 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 551450032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614210688).

551450032 is an abundant number, since it is smaller than the sum of its proper divisors (676971344).

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

551450032 is a wasteful number, since it uses less digits than its factorization.

551450032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29665 (or 29659 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 551450032 is about 23482.9732359427. The cubic root of 551450032 is about 820.0406642535.

The spelling of 551450032 in words is "five hundred fifty-one million, four hundred fifty thousand, thirty-two".