52789217 has 8 divisors (see below), whose sum is σ = 57782760. Its totient is φ = 47928960.

The previous prime is 52789211. The next prime is 52789223. The reversal of 52789217 is 71298725.

It is an interprime number because it is at equal distance from previous prime (52789211) and next prime (52789223).

It can be written as a sum of positive squares in 4 ways, for example, as 7845601 + 44943616 = 2801^2 + 6704^2 .

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 52789217 - 2¹⁰ = 52788193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52789211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32492 + ... + 34077.

It is an arithmetic number, because the mean of its divisors is an integer number (7222845).

Almost surely, 2^52789217 is an apocalyptic number.

It is an amenable number.

52789217 is a deficient number, since it is larger than the sum of its proper divisors (4993543).

52789217 is a wasteful number, since it uses less digits than its factorization.

52789217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66643.

The product of its digits is 70560, while the sum is 41.

The square root of 52789217 is about 7265.6188311802. The cubic root of 52789217 is about 375.1299508141.

The spelling of 52789217 in words is "fifty-two million, seven hundred eighty-nine thousand, two hundred seventeen".