52642471 has 8 divisors (see below), whose sum is σ = 60286464. Its totient is φ = 45029400.

The previous prime is 52642463. The next prime is 52642477. The reversal of 52642471 is 17424625.

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 52642471 - 2³ = 52642463 is a prime.

It is a super-3 number, since 3×52642471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642477) 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, 3955 + ... + 10996.

It is an arithmetic number, because the mean of its divisors is an integer number (7535808).

Almost surely, 2^52642471 is an apocalyptic number.

52642471 is a deficient number, since it is larger than the sum of its proper divisors (7643993).

52642471 is a wasteful number, since it uses less digits than its factorization.

52642471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461.

The product of its digits is 13440, while the sum is 31.

The square root of 52642471 is about 7255.5131451883. The cubic root of 52642471 is about 374.7820268065.

The spelling of 52642471 in words is "fifty-two million, six hundred forty-two thousand, four hundred seventy-one".