52960813 has 4 divisors (see below), whose sum is σ = 53054460. Its totient is φ = 52867168.

The previous prime is 52960799. The next prime is 52960823. The reversal of 52960813 is 31806925.

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 8311689 + 44649124 = 2883^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 52960813 - 2⁹ = 52960301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52960823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45970 + ... + 47107.

It is an arithmetic number, because the mean of its divisors is an integer number (13263615).

Almost surely, 2^52960813 is an apocalyptic number.

It is an amenable number.

52960813 is a deficient number, since it is larger than the sum of its proper divisors (93647).

52960813 is an equidigital number, since it uses as much as digits as its factorization.

52960813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93646.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 52960813 is about 7277.4180174015. The cubic root of 52960813 is about 375.5359755083.

The spelling of 52960813 in words is "fifty-two million, nine hundred sixty thousand, eight hundred thirteen".