53683139 has 4 divisors (see below), whose sum is σ = 53736240. Its totient is φ = 53630040.

The previous prime is 53683129. The next prime is 53683169. The reversal of 53683139 is 93138635.

53683139 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 a de Polignac number, because none of the positive numbers 2^k-53683139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53683129) 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, 25004 + ... + 27065.

It is an arithmetic number, because the mean of its divisors is an integer number (13434060).

Almost surely, 2^53683139 is an apocalyptic number.

53683139 is a deficient number, since it is larger than the sum of its proper divisors (53101).

53683139 is a wasteful number, since it uses less digits than its factorization.

53683139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53100.

The product of its digits is 58320, while the sum is 38.

The square root of 53683139 is about 7326.8778480332. The cubic root of 53683139 is about 377.2355682163.

The spelling of 53683139 in words is "fifty-three million, six hundred eighty-three thousand, one hundred thirty-nine".