53209083 has 4 divisors (see below), whose sum is σ = 70945448. Its totient is φ = 35472720.

The previous prime is 53208983. The next prime is 53209111. The reversal of 53209083 is 38090235.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-53209083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53209083.

It is not an unprimeable number, because it can be changed into a prime (53209183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868178 + ... + 8868183.

It is an arithmetic number, because the mean of its divisors is an integer number (17736362).

Almost surely, 2^53209083 is an apocalyptic number.

53209083 is a deficient number, since it is larger than the sum of its proper divisors (17736365).

53209083 is a wasteful number, since it uses less digits than its factorization.

53209083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736364.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53209083 is about 7294.4556342472. The cubic root of 53209083 is about 376.1218741598.

The spelling of 53209083 in words is "fifty-three million, two hundred nine thousand, eighty-three".