551350801 has 4 divisors (see below), whose sum is σ = 566252212. Its totient is φ = 536449392.

The previous prime is 551350781. The next prime is 551350853. The reversal of 551350801 is 108053155.

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 496220176 + 55130625 = 22276^2 + 7425^2 .

It is a cyclic number.

It is not a de Polignac number, because 551350801 - 2⁵ = 551350769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551350801.

It is not an unprimeable number, because it can be changed into a prime (551350861) 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, 7450650 + ... + 7450723.

It is an arithmetic number, because the mean of its divisors is an integer number (141563053).

Almost surely, 2^551350801 is an apocalyptic number.

It is an amenable number.

551350801 is a deficient number, since it is larger than the sum of its proper divisors (14901411).

551350801 is a wasteful number, since it uses less digits than its factorization.

551350801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14901410.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 551350801 is about 23480.8603121777. The cubic root of 551350801 is about 819.9914737364.

The spelling of 551350801 in words is "five hundred fifty-one million, three hundred fifty thousand, eight hundred one".