52523445 has 16 divisors (see below), whose sum is σ = 90502272. Its totient is φ = 25857600.

The previous prime is 52523441. The next prime is 52523447. The reversal of 52523445 is 54432525.

52523445 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 52523445 - 2² = 52523441 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52523441) 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, 134481 + ... + 134870.

It is an arithmetic number, because the mean of its divisors is an integer number (5656392).

Almost surely, 2^52523445 is an apocalyptic number.

It is an amenable number.

52523445 is a deficient number, since it is larger than the sum of its proper divisors (37978827).

52523445 is a wasteful number, since it uses less digits than its factorization.

52523445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269372.

The product of its digits is 24000, while the sum is 30.

The square root of 52523445 is about 7247.3060512165. The cubic root of 52523445 is about 374.4993496732.

The spelling of 52523445 in words is "fifty-two million, five hundred twenty-three thousand, four hundred forty-five".