52155073 has 4 divisors (see below), whose sum is σ = 52198740. Its totient is φ = 52111408.

The previous prime is 52155071. The next prime is 52155097. The reversal of 52155073 is 37055125.

52155073 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 51955264 + 199809 = 7208^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 52155073 - 2¹ = 52155071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52155071) 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, 19990 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (13049685).

Almost surely, 2^52155073 is an apocalyptic number.

It is an amenable number.

52155073 is a deficient number, since it is larger than the sum of its proper divisors (43667).

52155073 is a wasteful number, since it uses less digits than its factorization.

52155073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43666.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52155073 is about 7221.8469244370. The cubic root of 52155073 is about 373.6217806059.

The spelling of 52155073 in words is "fifty-two million, one hundred fifty-five thousand, seventy-three".