551345253 has 8 divisors (see below), whose sum is σ = 736276416. Its totient is φ = 366988800.

The previous prime is 551345233. The next prime is 551345281. The reversal of 551345253 is 352543155.

It is a happy number.

551345253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551345253 - 2¹⁶ = 551279717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551345233) 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, 141433 + ... + 145278.

It is an arithmetic number, because the mean of its divisors is an integer number (92034552).

Almost surely, 2^551345253 is an apocalyptic number.

It is an amenable number.

551345253 is a deficient number, since it is larger than the sum of its proper divisors (184931163).

551345253 is a wasteful number, since it uses less digits than its factorization.

551345253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287355.

The product of its digits is 45000, while the sum is 33.

The square root of 551345253 is about 23480.7421731086. The cubic root of 551345253 is about 819.9887233230.

The spelling of 551345253 in words is "five hundred fifty-one million, three hundred forty-five thousand, two hundred fifty-three".