52729881 has 8 divisors (see below), whose sum is σ = 70713600. Its totient is φ = 34949712.

The previous prime is 52729861. The next prime is 52729909. The reversal of 52729881 is 18892725.

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

It is not a de Polignac number, because 52729881 - 2²⁵ = 19175449 is a prime.

It is a super-2 number, since 2×52729881² = 5560880700548322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52729841) 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, 50281 + ... + 51318.

It is an arithmetic number, because the mean of its divisors is an integer number (8839200).

Almost surely, 2^52729881 is an apocalyptic number.

It is an amenable number.

52729881 is a deficient number, since it is larger than the sum of its proper divisors (17983719).

52729881 is a wasteful number, since it uses less digits than its factorization.

52729881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101775.

The product of its digits is 80640, while the sum is 42.

The square root of 52729881 is about 7261.5343419969. The cubic root of 52729881 is about 374.9893472529.

The spelling of 52729881 in words is "fifty-two million, seven hundred twenty-nine thousand, eight hundred eighty-one".