52066938 has 64 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 13440000.

The previous prime is 52066921. The next prime is 52066939. The reversal of 52066938 is 83966025.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52066896 and 52066905.

It is not an unprimeable number, because it can be changed into a prime (52066939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115738 + ... + 116186.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^52066938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52066938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

52066938 is an abundant number, since it is smaller than the sum of its proper divisors (78569862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52066938 is a wasteful number, since it uses less digits than its factorization.

52066938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 52066938 is about 7215.7423734499. The cubic root of 52066938 is about 373.4112052341.

The spelling of 52066938 in words is "fifty-two million, sixty-six thousand, nine hundred thirty-eight".