52666271 has 16 divisors (see below), whose sum is σ = 64838400. Its totient is φ = 41767488.

The previous prime is 52666267. The next prime is 52666277. The reversal of 52666271 is 17266625.

It is not a de Polignac number, because 52666271 - 2² = 52666267 is a prime.

It is a super-2 number, since 2×52666271² = 5547472202090882, which contains 22 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 (52666277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (4052400).

Almost surely, 2^52666271 is an apocalyptic number.

52666271 is a deficient number, since it is larger than the sum of its proper divisors (12172129).

52666271 is a wasteful number, since it uses less digits than its factorization.

52666271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278.

The product of its digits is 30240, while the sum is 35.

The square root of 52666271 is about 7257.1530919500. The cubic root of 52666271 is about 374.8384987525.

The spelling of 52666271 in words is "fifty-two million, six hundred sixty-six thousand, two hundred seventy-one".