52117071 has 8 divisors (see below), whose sum is σ = 69956400. Its totient is φ = 34511232.

The previous prime is 52117067. The next prime is 52117081. The reversal of 52117071 is 17071125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52117071 - 2² = 52117067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52117061) 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, 57850 + ... + 58743.

It is an arithmetic number, because the mean of its divisors is an integer number (8744550).

Almost surely, 2^52117071 is an apocalyptic number.

52117071 is a deficient number, since it is larger than the sum of its proper divisors (17839329).

52117071 is a wasteful number, since it uses less digits than its factorization.

52117071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116745.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 52117071 is about 7219.2154005820. The cubic root of 52117071 is about 373.5310139495.

Adding to 52117071 its reverse (17071125), we get a palindrome (69188196).

The spelling of 52117071 in words is "fifty-two million, one hundred seventeen thousand, seventy-one".