53417843 has 4 divisors (see below), whose sum is σ = 53504760. Its totient is φ = 53330928.

The previous prime is 53417831. The next prime is 53417849. The reversal of 53417843 is 34871435.

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 53417843 - 2¹² = 53413747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53417849) 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, 42530 + ... + 43767.

It is an arithmetic number, because the mean of its divisors is an integer number (13376190).

Almost surely, 2^53417843 is an apocalyptic number.

53417843 is a deficient number, since it is larger than the sum of its proper divisors (86917).

53417843 is an equidigital number, since it uses as much as digits as its factorization.

53417843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86916.

The product of its digits is 40320, while the sum is 35.

The square root of 53417843 is about 7308.7511245082. The cubic root of 53417843 is about 376.6131232355.

The spelling of 53417843 in words is "fifty-three million, four hundred seventeen thousand, eight hundred forty-three".