52374272221 has 4 divisors (see below), whose sum is σ = 52391263392. Its totient is φ = 52357281052.

The previous prime is 52374272213. The next prime is 52374272239. The reversal of 52374272221 is 12227247325.

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 52374272221 - 2³ = 52374272213 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 (52374272261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8490961 + ... + 8497126.

It is an arithmetic number, because the mean of its divisors is an integer number (13097815848).

Almost surely, 2^52374272221 is an apocalyptic number.

It is an amenable number.

52374272221 is a deficient number, since it is larger than the sum of its proper divisors (16991171).

52374272221 is a wasteful number, since it uses less digits than its factorization.

52374272221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991170.

The product of its digits is 94080, while the sum is 37.

The spelling of 52374272221 in words is "fifty-two billion, three hundred seventy-four million, two hundred seventy-two thousand, two hundred twenty-one".