52805915 has 8 divisors (see below), whose sum is σ = 63668688. Its totient is φ = 42043680.

The previous prime is 52805911. The next prime is 52805923. The reversal of 52805915 is 51950825.

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

It is not a de Polignac number, because 52805915 - 2² = 52805911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52805911) 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, 23972 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (7958586).

Almost surely, 2^52805915 is an apocalyptic number.

52805915 is a deficient number, since it is larger than the sum of its proper divisors (10862773).

52805915 is a wasteful number, since it uses less digits than its factorization.

52805915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50269.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 52805915 is about 7266.7678509775. The cubic root of 52805915 is about 375.1694996711.

The spelling of 52805915 in words is "fifty-two million, eight hundred five thousand, nine hundred fifteen".