52223649 has 4 divisors (see below), whose sum is σ = 69631536. Its totient is φ = 34815764.

The previous prime is 52223621. The next prime is 52223653. The reversal of 52223649 is 94632225.

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 52223649 - 2⁵ = 52223617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52223449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8703939 + ... + 8703944.

It is an arithmetic number, because the mean of its divisors is an integer number (17407884).

Almost surely, 2^52223649 is an apocalyptic number.

It is an amenable number.

52223649 is a deficient number, since it is larger than the sum of its proper divisors (17407887).

52223649 is a wasteful number, since it uses less digits than its factorization.

52223649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407886.

The product of its digits is 25920, while the sum is 33.

The square root of 52223649 is about 7226.5931807457. The cubic root of 52223649 is about 373.7854608547.

The spelling of 52223649 in words is "fifty-two million, two hundred twenty-three thousand, six hundred forty-nine".