52228091 has 8 divisors (see below), whose sum is σ = 53069040. Its totient is φ = 51393888.

The previous prime is 52228061. The next prime is 52228103. The reversal of 52228091 is 19082225.

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 52228091 - 2¹⁴ = 52211707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52228021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15245 + ... + 18353.

It is an arithmetic number, because the mean of its divisors is an integer number (6633630).

Almost surely, 2^52228091 is an apocalyptic number.

52228091 is a deficient number, since it is larger than the sum of its proper divisors (840949).

52228091 is a wasteful number, since it uses less digits than its factorization.

52228091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 52228091 is about 7226.9005112842. The cubic root of 52228091 is about 373.7960582754.

The spelling of 52228091 in words is "fifty-two million, two hundred twenty-eight thousand, ninety-one".