551085007201 has 3 divisors (see below), whose sum is σ = 551085749553. Its totient is φ = 551084264850.

The previous prime is 551085007199. The next prime is 551085007211. The reversal of 551085007201 is 102700580155.

The square root of 551085007201 is 742351.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 551085007201 - 2¹ = 551085007199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551085007211) 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 2 ways as a sum of consecutive naturals, for example, 371176 + ... + 1113526.

It is an arithmetic number, because the mean of its divisors is an integer number (183695249851).

Almost surely, 2^551085007201 is an apocalyptic number.

551085007201 is the 742351-st square number.

551085007201 is the 371176-th centered octagonal number.

It is an amenable number.

551085007201 is a deficient number, since it is larger than the sum of its proper divisors (742352).

551085007201 is an frugal number, since it uses more digits than its factorization.

551085007201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484702 (or 742351 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 34.

Adding to 551085007201 its reverse (102700580155), we get a palindrome (653785587356).

The spelling of 551085007201 in words is "five hundred fifty-one billion, eighty-five million, seven thousand, two hundred one".