53817871 has 8 divisors (see below), whose sum is σ = 55400688. Its totient is φ = 52248000.

The previous prime is 53817859. The next prime is 53817877. The reversal of 53817871 is 17871835.

It is a happy number.

53817871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53817871 - 2¹¹ = 53815823 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 (53817877) 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 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (6925086).

Almost surely, 2^53817871 is an apocalyptic number.

53817871 is a deficient number, since it is larger than the sum of its proper divisors (1582817).

53817871 is a wasteful number, since it uses less digits than its factorization.

53817871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473.

The product of its digits is 47040, while the sum is 40.

The square root of 53817871 is about 7336.0664528070. The cubic root of 53817871 is about 377.5508952913.

The spelling of 53817871 in words is "fifty-three million, eight hundred seventeen thousand, eight hundred seventy-one".