52226491 has 4 divisors (see below), whose sum is σ = 54497232. Its totient is φ = 49955752.

The previous prime is 52226483. The next prime is 52226501. The reversal of 52226491 is 19462225.

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 52226491 - 2³ = 52226483 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52226401) 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, 1135336 + ... + 1135381.

It is an arithmetic number, because the mean of its divisors is an integer number (13624308).

Almost surely, 2^52226491 is an apocalyptic number.

52226491 is a deficient number, since it is larger than the sum of its proper divisors (2270741).

52226491 is a wasteful number, since it uses less digits than its factorization.

52226491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270740.

The product of its digits is 8640, while the sum is 31.

The square root of 52226491 is about 7226.7898129114. The cubic root of 52226491 is about 373.7922411738.

The spelling of 52226491 in words is "fifty-two million, two hundred twenty-six thousand, four hundred ninety-one".