52218093 has 8 divisors (see below), whose sum is σ = 70092000. Its totient is φ = 34578128.

The previous prime is 52218083. The next prime is 52218097. The reversal of 52218093 is 39081225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52218093 - 2⁴ = 52218077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52218093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52218097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57963 + ... + 58856.

It is an arithmetic number, because the mean of its divisors is an integer number (8761500).

Almost surely, 2^52218093 is an apocalyptic number.

It is an amenable number.

52218093 is a deficient number, since it is larger than the sum of its proper divisors (17873907).

52218093 is a wasteful number, since it uses less digits than its factorization.

52218093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116971.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 52218093 is about 7226.2087570177. The cubic root of 52218093 is about 373.7722048828.

The spelling of 52218093 in words is "fifty-two million, two hundred eighteen thousand, ninety-three".