52684217 has 4 divisors (see below), whose sum is σ = 52699380. Its totient is φ = 52669056.

The previous prime is 52684211. The next prime is 52684223. The reversal of 52684217 is 71248625.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (52684211) and next prime (52684223).

It can be written as a sum of positive squares in 2 ways, for example, as 36772096 + 15912121 = 6064^2 + 3989^2 .

It is a cyclic number.

It is not a de Polignac number, because 52684217 - 2⁶ = 52684153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52684211) 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, 509 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (13174845).

Almost surely, 2^52684217 is an apocalyptic number.

It is an amenable number.

52684217 is a deficient number, since it is larger than the sum of its proper divisors (15163).

52684217 is an equidigital number, since it uses as much as digits as its factorization.

52684217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162.

The product of its digits is 26880, while the sum is 35.

The square root of 52684217 is about 7258.3894219035. The cubic root of 52684217 is about 374.8810692482.

The spelling of 52684217 in words is "fifty-two million, six hundred eighty-four thousand, two hundred seventeen".