551025312 has 96 divisors (see below), whose sum is σ = 1514080512. Its totient is φ = 175279104.

The previous prime is 551025287. The next prime is 551025313. The reversal of 551025312 is 213520155.

It is a happy number.

551025312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (551025313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186793 + ... + 189719.

It is an arithmetic number, because the mean of its divisors is an integer number (15771672).

Almost surely, 2^551025312 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 551025312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757040256).

551025312 is an abundant number, since it is smaller than the sum of its proper divisors (963055200).

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

551025312 is a wasteful number, since it uses less digits than its factorization.

551025312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551025312 is about 23473.9283461461. The cubic root of 551025312 is about 819.8300817863.

Adding to 551025312 its reverse (213520155), we get a palindrome (764545467).

The spelling of 551025312 in words is "five hundred fifty-one million, twenty-five thousand, three hundred twelve".