52891802893 has 4 divisors (see below), whose sum is σ = 54181846908. Its totient is φ = 51601758880.

The previous prime is 52891802879. The next prime is 52891802939. The reversal of 52891802893 is 39820819825.

It is a happy number.

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 6476547529 + 46415255364 = 80477^2 + 215442^2 .

It is a cyclic number.

It is not a de Polignac number, because 52891802893 - 2¹³ = 52891794701 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 (52891806893) 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, 645021946 + ... + 645022027.

It is an arithmetic number, because the mean of its divisors is an integer number (13545461727).

Almost surely, 2^52891802893 is an apocalyptic number.

It is an amenable number.

52891802893 is a deficient number, since it is larger than the sum of its proper divisors (1290044015).

52891802893 is a wasteful number, since it uses less digits than its factorization.

52891802893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290044014.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 52891802893 in words is "fifty-two billion, eight hundred ninety-one million, eight hundred two thousand, eight hundred ninety-three".