52723345 has 4 divisors (see below), whose sum is σ = 63268020. Its totient is φ = 42178672.

The previous prime is 52723327. The next prime is 52723351. The reversal of 52723345 is 54332725.

52723345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38825361 + 13897984 = 6231^2 + 3728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52723345 is a prime.

It is a super-3 number, since 3×52723345³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 5272330 + ... + 5272339.

It is an arithmetic number, because the mean of its divisors is an integer number (15817005).

Almost surely, 2^52723345 is an apocalyptic number.

It is an amenable number.

52723345 is a deficient number, since it is larger than the sum of its proper divisors (10544675).

52723345 is a wasteful number, since it uses less digits than its factorization.

52723345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544674.

The product of its digits is 25200, while the sum is 31.

The square root of 52723345 is about 7261.0842854218. The cubic root of 52723345 is about 374.9738529917.

The spelling of 52723345 in words is "fifty-two million, seven hundred twenty-three thousand, three hundred forty-five".