52170617 has 4 divisors (see below), whose sum is σ = 52225536. Its totient is φ = 52115700.

The previous prime is 52170607. The next prime is 52170649. The reversal of 52170617 is 71607125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52170617 - 2⁶ = 52170553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52170617.

It is not an unprimeable number, because it can be changed into a prime (52170607) 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, 26009 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (13056384).

Almost surely, 2^52170617 is an apocalyptic number.

It is an amenable number.

52170617 is a deficient number, since it is larger than the sum of its proper divisors (54919).

52170617 is an equidigital number, since it uses as much as digits as its factorization.

52170617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54918.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 52170617 is about 7222.9230232642. The cubic root of 52170617 is about 373.6588942861.

The spelling of 52170617 in words is "fifty-two million, one hundred seventy thousand, six hundred seventeen".