52223615 has 4 divisors (see below), whose sum is σ = 62668344. Its totient is φ = 41778888.

The previous prime is 52223599. The next prime is 52223617. The reversal of 52223615 is 51632225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52223615 - 2⁴ = 52223599 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 (52223617) 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, 5222357 + ... + 5222366.

It is an arithmetic number, because the mean of its divisors is an integer number (15667086).

Almost surely, 2^52223615 is an apocalyptic number.

52223615 is a deficient number, since it is larger than the sum of its proper divisors (10444729).

52223615 is a wasteful number, since it uses less digits than its factorization.

52223615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444728.

The product of its digits is 3600, while the sum is 26.

The square root of 52223615 is about 7226.5908283229. The cubic root of 52223615 is about 373.7853797375.

The spelling of 52223615 in words is "fifty-two million, two hundred twenty-three thousand, six hundred fifteen".