52985789187 has 4 divisors (see below), whose sum is σ = 70647718920. Its totient is φ = 35323859456.

The previous prime is 52985789179. The next prime is 52985789189. The reversal of 52985789187 is 78198758925.

52985789187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52985789187 - 2³ = 52985789179 is a prime.

It is a super-2 number, since 2×52985789187² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52985789189) 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, 8830964862 + ... + 8830964867.

It is an arithmetic number, because the mean of its divisors is an integer number (17661929730).

Almost surely, 2^52985789187 is an apocalyptic number.

52985789187 is a deficient number, since it is larger than the sum of its proper divisors (17661929733).

52985789187 is a wasteful number, since it uses less digits than its factorization.

52985789187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661929732.

The product of its digits is 101606400, while the sum is 69.

The spelling of 52985789187 in words is "fifty-two billion, nine hundred eighty-five million, seven hundred eighty-nine thousand, one hundred eighty-seven".