53022491 has 2 divisors, whose sum is σ = 53022492. Its totient is φ = 53022490.

The previous prime is 53022467. The next prime is 53022539. The reversal of 53022491 is 19422035.

53022491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53022491 - 2⁶ = 53022427 is a prime.

It is a super-2 number, since 2×53022491² = 5622769103690162, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53022491.

It is not a weakly prime, because it can be changed into another prime (53022451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26511245 + 26511246.

It is an arithmetic number, because the mean of its divisors is an integer number (26511246).

Almost surely, 2^53022491 is an apocalyptic number.

53022491 is a deficient number, since it is larger than the sum of its proper divisors (1).

53022491 is an equidigital number, since it uses as much as digits as its factorization.

53022491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 53022491 is about 7281.6544136618. The cubic root of 53022491 is about 375.6817016331.

The spelling of 53022491 in words is "fifty-three million, twenty-two thousand, four hundred ninety-one".