551313505550201 has 4 divisors (see below), whose sum is σ = 551315650170000. Its totient is φ = 551311360930404.

The previous prime is 551313505550113. The next prime is 551313505550233. The reversal of 551313505550201 is 102055505313155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551313505550201 is a prime.

It is a super-2 number, since 2×551313505550201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551313508550201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071924251 + ... + 1072438448.

It is an arithmetic number, because the mean of its divisors is an integer number (137828912542500).

Almost surely, 2^{551313505550201} is an apocalyptic number.

It is an amenable number.

551313505550201 is a deficient number, since it is larger than the sum of its proper divisors (2144619799).

551313505550201 is a wasteful number, since it uses less digits than its factorization.

551313505550201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144619798.

The product of its (nonzero) digits is 281250, while the sum is 41.

The spelling of 551313505550201 in words is "five hundred fifty-one trillion, three hundred thirteen billion, five hundred five million, five hundred fifty thousand, two hundred one".