52121717204 has 12 divisors (see below), whose sum is σ = 91233230004. Its totient is φ = 26055080064.

The previous prime is 52121717201. The next prime is 52121717233. The reversal of 52121717204 is 40271712125.

It can be written as a sum of positive squares in 2 ways, for example, as 1699912900 + 50421804304 = 41230^2 + 224548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121717201) 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, 1424309 + ... + 1460444.

It is an arithmetic number, because the mean of its divisors is an integer number (7602769167).

Almost surely, 2^52121717204 is an apocalyptic number.

It is an amenable number.

52121717204 is a deficient number, since it is larger than the sum of its proper divisors (39111512800).

52121717204 is a wasteful number, since it uses less digits than its factorization.

52121717204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889274 (or 2889272 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 52121717204 in words is "fifty-two billion, one hundred twenty-one million, seven hundred seventeen thousand, two hundred four".