52464569221 has 4 divisors (see below), whose sum is σ = 54745637472. Its totient is φ = 50183500972.

The previous prime is 52464569203. The next prime is 52464569231. The reversal of 52464569221 is 12296546425.

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 52464569221 - 2⁵ = 52464569189 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 (52464569231) 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, 1140534091 + ... + 1140534136.

It is an arithmetic number, because the mean of its divisors is an integer number (13686409368).

Almost surely, 2^52464569221 is an apocalyptic number.

It is an amenable number.

52464569221 is a deficient number, since it is larger than the sum of its proper divisors (2281068251).

52464569221 is a wasteful number, since it uses less digits than its factorization.

52464569221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281068250.

The product of its digits is 1036800, while the sum is 46.

The spelling of 52464569221 in words is "fifty-two billion, four hundred sixty-four million, five hundred sixty-nine thousand, two hundred twenty-one".