52571217 has 8 divisors (see below), whose sum is σ = 70630560. Its totient is φ = 34779680.

The previous prime is 52571213. The next prime is 52571219. The reversal of 52571217 is 71217525.

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 52571217 - 2² = 52571213 is a prime.

It is a super-2 number, since 2×52571217² = 5527465713722178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52571213) 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, 66492 + ... + 67277.

It is an arithmetic number, because the mean of its divisors is an integer number (8828820).

Almost surely, 2^52571217 is an apocalyptic number.

It is an amenable number.

52571217 is a deficient number, since it is larger than the sum of its proper divisors (18059343).

52571217 is a wasteful number, since it uses less digits than its factorization.

52571217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133903.

The product of its digits is 4900, while the sum is 30.

The square root of 52571217 is about 7250.6011474912. The cubic root of 52571217 is about 374.6128555665.

The spelling of 52571217 in words is "fifty-two million, five hundred seventy-one thousand, two hundred seventeen".