53939311 has 4 divisors (see below), whose sum is σ = 54823624. Its totient is φ = 53055000.

The previous prime is 53939279. The next prime is 53939321. The reversal of 53939311 is 11393935.

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 53939311 - 2⁵ = 53939279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53939321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442065 + ... + 442186.

It is an arithmetic number, because the mean of its divisors is an integer number (13705906).

Almost surely, 2^53939311 is an apocalyptic number.

53939311 is a deficient number, since it is larger than the sum of its proper divisors (884313).

53939311 is an equidigital number, since it uses as much as digits as its factorization.

53939311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884312.

The product of its digits is 10935, while the sum is 34.

The square root of 53939311 is about 7344.3387040632. The cubic root of 53939311 is about 377.8346630954.

The spelling of 53939311 in words is "fifty-three million, nine hundred thirty-nine thousand, three hundred eleven".