52081471 has 8 divisors (see below), whose sum is σ = 57392720. Its totient is φ = 46956672.

The previous prime is 52081433. The next prime is 52081487. The reversal of 52081471 is 17418025.

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 52081471 - 2¹³ = 52073279 is a prime.

It is a super-3 number, since 3×52081471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52081571) 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, 46026 + ... + 47143.

It is an arithmetic number, because the mean of its divisors is an integer number (7174090).

Almost surely, 2^52081471 is an apocalyptic number.

52081471 is a deficient number, since it is larger than the sum of its proper divisors (5311249).

52081471 is a wasteful number, since it uses less digits than its factorization.

52081471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93225.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 52081471 is about 7216.7493374788. The cubic root of 52081471 is about 373.4459443630.

Adding to 52081471 its reverse (17418025), we get a palindrome (69499496).

The spelling of 52081471 in words is "fifty-two million, eighty-one thousand, four hundred seventy-one".