53022191 has 2 divisors, whose sum is σ = 53022192. Its totient is φ = 53022190.

The previous prime is 53022187. The next prime is 53022209. The reversal of 53022191 is 19122035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53022191 - 2² = 53022187 is a prime.

It is a super-2 number, since 2×53022191² = 5622705476880962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53022131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26511095 + 26511096.

It is an arithmetic number, because the mean of its divisors is an integer number (26511096).

Almost surely, 2^53022191 is an apocalyptic number.

53022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

53022191 is an equidigital number, since it uses as much as digits as its factorization.

53022191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 53022191 is about 7281.6338139184. The cubic root of 53022191 is about 375.6809930990.

The spelling of 53022191 in words is "fifty-three million, twenty-two thousand, one hundred ninety-one".