51020552143 has 16 divisors (see below), whose sum is σ = 56179661472. Its totient is φ = 45948672000.

The previous prime is 51020552071. The next prime is 51020552179. The reversal of 51020552143 is 34125502015.

It is not a de Polignac number, because 51020552143 - 2²⁹ = 50483681231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51020552243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751463 + ... + 2769943.

It is an arithmetic number, because the mean of its divisors is an integer number (3511228842).

Almost surely, 2^51020552143 is an apocalyptic number.

51020552143 is a deficient number, since it is larger than the sum of its proper divisors (5159109329).

51020552143 is a wasteful number, since it uses less digits than its factorization.

51020552143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 51020552143 in words is "fifty-one billion, twenty million, five hundred fifty-two thousand, one hundred forty-three".