53245091 has 4 divisors (see below), whose sum is σ = 53571912. Its totient is φ = 52918272.

The previous prime is 53245067. The next prime is 53245103. The reversal of 53245091 is 19054235.

53245091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53245091 - 2¹⁰ = 53244067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53245021) 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 3 ways as a sum of consecutive naturals, for example, 163166 + ... + 163491.

It is an arithmetic number, because the mean of its divisors is an integer number (13392978).

Almost surely, 2^53245091 is an apocalyptic number.

53245091 is a deficient number, since it is larger than the sum of its proper divisors (326821).

53245091 is a wasteful number, since it uses less digits than its factorization.

53245091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326820.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 53245091 is about 7296.9233927731. The cubic root of 53245091 is about 376.2066989164.

The spelling of 53245091 in words is "fifty-three million, two hundred forty-five thousand, ninety-one".