52582217 has 4 divisors (see below), whose sum is σ = 54003396. Its totient is φ = 51161040.

The previous prime is 52582199. The next prime is 52582223. The reversal of 52582217 is 71228525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 2611456 = 7069^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 52582217 - 2²⁰ = 51533641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52587217) 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, 710534 + ... + 710607.

It is an arithmetic number, because the mean of its divisors is an integer number (13500849).

Almost surely, 2^52582217 is an apocalyptic number.

It is an amenable number.

52582217 is a deficient number, since it is larger than the sum of its proper divisors (1421179).

52582217 is a wasteful number, since it uses less digits than its factorization.

52582217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421178.

The product of its digits is 11200, while the sum is 32.

The square root of 52582217 is about 7251.3596656075. The cubic root of 52582217 is about 374.6389817389.

The spelling of 52582217 in words is "fifty-two million, five hundred eighty-two thousand, two hundred seventeen".