52708993 has 8 divisors (see below), whose sum is σ = 56575368. Its totient is φ = 48927744.

The previous prime is 52708991. The next prime is 52709011. The reversal of 52708993 is 39980725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7711729 + 44997264 = 2777^2 + 6708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52708993 - 2¹ = 52708991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52708991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19996 + ... + 22477.

It is an arithmetic number, because the mean of its divisors is an integer number (7071921).

Almost surely, 2^52708993 is an apocalyptic number.

It is an amenable number.

52708993 is a deficient number, since it is larger than the sum of its proper divisors (3866375).

52708993 is a wasteful number, since it uses less digits than its factorization.

52708993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42563.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 52708993 is about 7260.0959360053. The cubic root of 52708993 is about 374.9398256039.

The spelling of 52708993 in words is "fifty-two million, seven hundred eight thousand, nine hundred ninety-three".