51552143205 has 64 divisors (see below), whose sum is σ = 87321327360. Its totient is φ = 25898932224.

The previous prime is 51552143183. The next prime is 51552143231. The reversal of 51552143205 is 50234125515.

It is not a de Polignac number, because 51552143205 - 2¹⁰ = 51552142181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51706767 + ... + 51707763.

It is an arithmetic number, because the mean of its divisors is an integer number (1364395740).

Almost surely, 2^51552143205 is an apocalyptic number.

It is an amenable number.

51552143205 is a deficient number, since it is larger than the sum of its proper divisors (35769184155).

51552143205 is a wasteful number, since it uses less digits than its factorization.

51552143205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 51552143205 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-three thousand, two hundred five".