52122617 has 4 divisors (see below), whose sum is σ = 52190820. Its totient is φ = 52054416.

The previous prime is 52122613. The next prime is 52122619. The reversal of 52122617 is 71622125.

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 1371241 + 50751376 = 1171^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 52122617 - 2² = 52122613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52122613) 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, 32942 + ... + 34487.

It is an arithmetic number, because the mean of its divisors is an integer number (13047705).

Almost surely, 2^52122617 is an apocalyptic number.

It is an amenable number.

52122617 is a deficient number, since it is larger than the sum of its proper divisors (68203).

52122617 is an equidigital number, since it uses as much as digits as its factorization.

52122617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68202.

The product of its digits is 1680, while the sum is 26.

The square root of 52122617 is about 7219.5995041276. The cubic root of 52122617 is about 373.5442631561.

The spelling of 52122617 in words is "fifty-two million, one hundred twenty-two thousand, six hundred seventeen".