52808745 has 16 divisors (see below), whose sum is σ = 92175552. Its totient is φ = 25604160.

The previous prime is 52808719. The next prime is 52808753. The reversal of 52808745 is 54780825.

It is not a de Polignac number, because 52808745 - 2⁸ = 52808489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159862 + ... + 160191.

It is an arithmetic number, because the mean of its divisors is an integer number (5760972).

Almost surely, 2^52808745 is an apocalyptic number.

52808745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52808745 is a deficient number, since it is larger than the sum of its proper divisors (39366807).

52808745 is a wasteful number, since it uses less digits than its factorization.

52808745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320072.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 52808745 is about 7266.9625704279. The cubic root of 52808745 is about 375.1762016394.

The spelling of 52808745 in words is "fifty-two million, eight hundred eight thousand, seven hundred forty-five".