53009091 has 24 divisors (see below), whose sum is σ = 78960960. Its totient is φ = 34250496.

The previous prime is 53009083. The next prime is 53009093. The reversal of 53009091 is 19090035.

53009091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53009091 - 2³ = 53009083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53009093) 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 in 23 ways as a sum of consecutive naturals, for example, 47245 + ... + 48353.

It is an arithmetic number, because the mean of its divisors is an integer number (3290040).

Almost surely, 2^53009091 is an apocalyptic number.

53009091 is a deficient number, since it is larger than the sum of its proper divisors (25951869).

53009091 is a wasteful number, since it uses less digits than its factorization.

53009091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 53009091 is about 7280.7342349519. The cubic root of 53009091 is about 375.6500511715.

The spelling of 53009091 in words is "fifty-three million, nine thousand, ninety-one".