551322853 has 4 divisors (see below), whose sum is σ = 551839660. Its totient is φ = 550806048.

The previous prime is 551322809. The next prime is 551322883. The reversal of 551322853 is 358223155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361076004 + 190246849 = 19002^2 + 13793^2 .

It is a cyclic number.

It is not a de Polignac number, because 551322853 - 2⁹ = 551322341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551322883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256800 + ... + 258937.

It is an arithmetic number, because the mean of its divisors is an integer number (137959915).

Almost surely, 2^551322853 is an apocalyptic number.

It is an amenable number.

551322853 is a deficient number, since it is larger than the sum of its proper divisors (516807).

551322853 is a wasteful number, since it uses less digits than its factorization.

551322853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516806.

The product of its digits is 36000, while the sum is 34.

The square root of 551322853 is about 23480.2651816371. The cubic root of 551322853 is about 819.9776183659.

The spelling of 551322853 in words is "five hundred fifty-one million, three hundred twenty-two thousand, eight hundred fifty-three".