52587617 has 4 divisors (see below), whose sum is σ = 52783380. Its totient is φ = 52391856.

The previous prime is 52587593. The next prime is 52587631. The reversal of 52587617 is 71678525.

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 1336336 + 51251281 = 1156^2 + 7159^2 .

It is a cyclic number.

It is not a de Polignac number, because 52587617 - 2⁶ = 52587553 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97478 + ... + 98015.

It is an arithmetic number, because the mean of its divisors is an integer number (13195845).

Almost surely, 2^52587617 is an apocalyptic number.

It is an amenable number.

52587617 is a deficient number, since it is larger than the sum of its proper divisors (195763).

52587617 is a wasteful number, since it uses less digits than its factorization.

52587617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195762.

The product of its digits is 117600, while the sum is 41.

The square root of 52587617 is about 7251.7320000121. The cubic root of 52587617 is about 374.6518059811.

The spelling of 52587617 in words is "fifty-two million, five hundred eighty-seven thousand, six hundred seventeen".