52805302500247 has 16 divisors (see below), whose sum is σ = 58014141696000. Its totient is φ = 47664959977440.

The previous prime is 52805302500227. The next prime is 52805302500253. The reversal of 52805302500247 is 74200520350825.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52805302500247 is a prime.

It is a super-2 number, since 2×52805302500247² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52805302500227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8511847 + ... + 13343992.

It is an arithmetic number, because the mean of its divisors is an integer number (3625883856000).

Almost surely, 2^{52805302500247} is an apocalyptic number.

52805302500247 is a deficient number, since it is larger than the sum of its proper divisors (5208839195753).

52805302500247 is a wasteful number, since it uses less digits than its factorization.

52805302500247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21857406.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 52805302500247 in words is "fifty-two trillion, eight hundred five billion, three hundred two million, five hundred thousand, two hundred forty-seven".