455552522521 has 4 divisors (see below), whose sum is σ = 455751716992. Its totient is φ = 455353328052.

The previous prime is 455552522501. The next prime is 455552522597. The reversal of 455552522521 is 125225255554.

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 not a de Polignac number, because 455552522521 - 2¹¹ = 455552520473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455552522501) 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 3 ways as a sum of consecutive naturals, for example, 99593805 + ... + 99598378.

It is an arithmetic number, because the mean of its divisors is an integer number (113937929248).

Almost surely, 2^455552522521 is an apocalyptic number.

It is an amenable number.

455552522521 is a deficient number, since it is larger than the sum of its proper divisors (199194471).

455552522521 is a wasteful number, since it uses less digits than its factorization.

455552522521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199194470.

The product of its digits is 1000000, while the sum is 43.

The spelling of 455552522521 in words is "four hundred fifty-five billion, five hundred fifty-two million, five hundred twenty-two thousand, five hundred twenty-one".