551253344 has 24 divisors (see below), whose sum is σ = 1122705360. Its totient is φ = 266121856.

The previous prime is 551253317. The next prime is 551253347. The reversal of 551253344 is 443352155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 551253344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551253347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296084 + ... + 297939.

It is an arithmetic number, because the mean of its divisors is an integer number (46779390).

Almost surely, 2^551253344 is an apocalyptic number.

It is an amenable number.

551253344 is an abundant number, since it is smaller than the sum of its proper divisors (571452016).

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

551253344 is a wasteful number, since it uses less digits than its factorization.

551253344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594062 (or 594054 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 551253344 is about 23478.7849770809. The cubic root of 551253344 is about 819.9431568766.

The spelling of 551253344 in words is "five hundred fifty-one million, two hundred fifty-three thousand, three hundred forty-four".