52242273 has 16 divisors (see below), whose sum is σ = 78085440. Its totient is φ = 34517952.

The previous prime is 52242257. The next prime is 52242277. The reversal of 52242273 is 37224225.

52242273 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 52242273 - 2⁴ = 52242257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52242277) 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, 5511 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (4880340).

Almost surely, 2^52242273 is an apocalyptic number.

It is an amenable number.

52242273 is a deficient number, since it is larger than the sum of its proper divisors (25843167).

52242273 is a wasteful number, since it uses less digits than its factorization.

52242273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245 (or 17239 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 52242273 is about 7227.8816398721. The cubic root of 52242273 is about 373.8298887030.

Adding to 52242273 its reverse (37224225), we get a palindrome (89466498).

The spelling of 52242273 in words is "fifty-two million, two hundred forty-two thousand, two hundred seventy-three".