551123325 has 48 divisors (see below), whose sum is σ = 1039844160. Its totient is φ = 285975360.

The previous prime is 551123299. The next prime is 551123327. The reversal of 551123325 is 523321155.

It is a happy number.

551123325 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551123325 - 2¹⁹ = 550599037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551123327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13942 + ... + 36008.

It is an arithmetic number, because the mean of its divisors is an integer number (21663420).

Almost surely, 2^551123325 is an apocalyptic number.

It is an amenable number.

551123325 is a deficient number, since it is larger than the sum of its proper divisors (488720835).

551123325 is a wasteful number, since it uses less digits than its factorization.

551123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22123 (or 22112 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 551123325 is about 23476.0159524567. The cubic root of 551123325 is about 819.8786876853.

The spelling of 551123325 in words is "five hundred fifty-one million, one hundred twenty-three thousand, three hundred twenty-five".