52645688 has 16 divisors (see below), whose sum is σ = 101895360. Its totient is φ = 25473600.

The previous prime is 52645673. The next prime is 52645693. The reversal of 52645688 is 88654625.

52645688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×52645688³ (a number of 24 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 105893 + ... + 106388.

It is an arithmetic number, because the mean of its divisors is an integer number (6368460).

Almost surely, 2^52645688 is an apocalyptic number.

It is an amenable number.

52645688 is a deficient number, since it is larger than the sum of its proper divisors (49249672).

52645688 is a wasteful number, since it uses less digits than its factorization.

52645688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212318 (or 212314 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 52645688 is about 7255.7348352872. The cubic root of 52645688 is about 374.7896610050.

The spelling of 52645688 in words is "fifty-two million, six hundred forty-five thousand, six hundred eighty-eight".