53423881 has 8 divisors (see below), whose sum is σ = 63025664. Its totient is φ = 44314560.

The previous prime is 53423869. The next prime is 53423897. The reversal of 53423881 is 18832435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53423881 - 2⁷ = 53423753 is a prime.

It is a super-2 number, since 2×53423881² = 5708222122204322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122880 + ... + 123313.

It is an arithmetic number, because the mean of its divisors is an integer number (7878208).

Almost surely, 2^53423881 is an apocalyptic number.

It is an amenable number.

53423881 is a deficient number, since it is larger than the sum of its proper divisors (9601783).

53423881 is a wasteful number, since it uses less digits than its factorization.

53423881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246231.

The product of its digits is 23040, while the sum is 34.

The square root of 53423881 is about 7309.1641793026. The cubic root of 53423881 is about 376.6273126539.

The spelling of 53423881 in words is "fifty-three million, four hundred twenty-three thousand, eight hundred eighty-one".