52645772 has 12 divisors (see below), whose sum is σ = 93025296. Its totient is φ = 26067120.

The previous prime is 52645771. The next prime is 52645777. The reversal of 52645772 is 27754625.

It is a happy number.

52645772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52645771) by changing a digit.

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, 63479 + ... + 64302.

It is an arithmetic number, because the mean of its divisors is an integer number (7752108).

Almost surely, 2^52645772 is an apocalyptic number.

It is an amenable number.

52645772 is a deficient number, since it is larger than the sum of its proper divisors (40379524).

52645772 is a wasteful number, since it uses less digits than its factorization.

52645772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127888 (or 127886 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 52645772 is about 7255.7406238095. The cubic root of 52645772 is about 374.7898603396.

The spelling of 52645772 in words is "fifty-two million, six hundred forty-five thousand, seven hundred seventy-two".