52205690685 has 32 divisors (see below), whose sum is σ = 85347740160. Its totient is φ = 27241300800.

The previous prime is 52205690683. The next prime is 52205690723. The reversal of 52205690685 is 58609650225.

It is not a de Polignac number, because 52205690685 - 2¹ = 52205690683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52205690683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46950 + ... + 326520.

It is an arithmetic number, because the mean of its divisors is an integer number (2667116880).

Almost surely, 2^52205690685 is an apocalyptic number.

It is an amenable number.

52205690685 is a deficient number, since it is larger than the sum of its proper divisors (33142049475).

52205690685 is a wasteful number, since it uses less digits than its factorization.

52205690685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279849.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 52205690685 in words is "fifty-two billion, two hundred five million, six hundred ninety thousand, six hundred eighty-five".