53911843 has 8 divisors (see below), whose sum is σ = 55747440. Its totient is φ = 52101120.

The previous prime is 53911831. The next prime is 53911853. The reversal of 53911843 is 34811935.

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 53911843 - 2²⁵ = 20357411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53911799 and 53911808.

It is not an unprimeable number, because it can be changed into a prime (53911813) 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, 1758 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (6968430).

Almost surely, 2^53911843 is an apocalyptic number.

53911843 is a deficient number, since it is larger than the sum of its proper divisors (1835597).

53911843 is a wasteful number, since it uses less digits than its factorization.

53911843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437.

The product of its digits is 12960, while the sum is 34.

The square root of 53911843 is about 7342.4684541372. The cubic root of 53911843 is about 377.7705161586.

The spelling of 53911843 in words is "fifty-three million, nine hundred eleven thousand, eight hundred forty-three".