52855725 has 48 divisors (see below), whose sum is σ = 98243712. Its totient is φ = 24879360.

The previous prime is 52855717. The next prime is 52855741. The reversal of 52855725 is 52755825.

52855725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52855725 - 2³ = 52855717 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21247 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (2046744).

Almost surely, 2^52855725 is an apocalyptic number.

It is an amenable number.

52855725 is a deficient number, since it is larger than the sum of its proper divisors (45387987).

52855725 is a wasteful number, since it uses less digits than its factorization.

52855725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2401 counting only the distinct ones).

The product of its digits is 140000, while the sum is 39.

The square root of 52855725 is about 7270.1942890132. The cubic root of 52855725 is about 375.2874240879.

The spelling of 52855725 in words is "fifty-two million, eight hundred fifty-five thousand, seven hundred twenty-five".