52120064 has 20 divisors (see below), whose sum is σ = 104139354. Its totient is φ = 26059776.

The previous prime is 52120031. The next prime is 52120067. The reversal of 52120064 is 46002125.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 25080064 = 5200^2 + 5008^2 .

It is not an unprimeable number, because it can be changed into a prime (52120067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50387 + ... + 51410.

Almost surely, 2^52120064 is an apocalyptic number.

It is an amenable number.

52120064 is a deficient number, since it is larger than the sum of its proper divisors (52019290).

52120064 is an equidigital number, since it uses as much as digits as its factorization.

52120064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101815 (or 101799 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52120064 is about 7219.4226916008. The cubic root of 52120064 is about 373.5381642421.

Adding to 52120064 its reverse (46002125), we get a palindrome (98122189).

The spelling of 52120064 in words is "fifty-two million, one hundred twenty thousand, sixty-four".