53873881 has 4 divisors (see below), whose sum is σ = 54285264. Its totient is φ = 53462500.

The previous prime is 53873857. The next prime is 53873893. The reversal of 53873881 is 18837835.

53873881 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53873881 - 2⁵ = 53873849 is a prime.

It is a super-2 number, since 2×53873881² = 5804790108004322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53873821) 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, 205495 + ... + 205756.

It is an arithmetic number, because the mean of its divisors is an integer number (13571316).

Almost surely, 2^53873881 is an apocalyptic number.

It is an amenable number.

53873881 is a deficient number, since it is larger than the sum of its proper divisors (411383).

53873881 is a wasteful number, since it uses less digits than its factorization.

53873881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411382.

The product of its digits is 161280, while the sum is 43.

The square root of 53873881 is about 7339.8829009733. The cubic root of 53873881 is about 377.6818263587.

The spelling of 53873881 in words is "fifty-three million, eight hundred seventy-three thousand, eight hundred eighty-one".