52685445 has 16 divisors (see below), whose sum is σ = 85888512. Its totient is φ = 27568320.

The previous prime is 52685441. The next prime is 52685467. The reversal of 52685445 is 54458625.

52685445 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 52685445 - 2² = 52685441 is a prime.

It is a super-2 number, since 2×52685445² = 5551512229696050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52685441) 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 15 ways as a sum of consecutive naturals, for example, 32341 + ... + 33930.

It is an arithmetic number, because the mean of its divisors is an integer number (5368032).

Almost surely, 2^52685445 is an apocalyptic number.

It is an amenable number.

52685445 is a deficient number, since it is larger than the sum of its proper divisors (33203067).

52685445 is a wasteful number, since it uses less digits than its factorization.

52685445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66332.

The product of its digits is 192000, while the sum is 39.

The square root of 52685445 is about 7258.4740131794. The cubic root of 52685445 is about 374.8839818876.

The spelling of 52685445 in words is "fifty-two million, six hundred eighty-five thousand, four hundred forty-five".