51871833705354 has 64 divisors (see below), whose sum is σ = 114324193234944. Its totient is φ = 15589113898176.

The previous prime is 51871833705287. The next prime is 51871833705359. The reversal of 51871833705354 is 45350733817815.

It is not an unprimeable number, because it can be changed into a prime (51871833705359) 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, 270850459 + ... + 271041905.

It is an arithmetic number, because the mean of its divisors is an integer number (1786315519296).

Almost surely, 2^{51871833705354} is an apocalyptic number.

51871833705354 is an abundant number, since it is smaller than the sum of its proper divisors (62452359529590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51871833705354 is a wasteful number, since it uses less digits than its factorization.

51871833705354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272291.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 51871833705354 in words is "fifty-one trillion, eight hundred seventy-one billion, eight hundred thirty-three million, seven hundred five thousand, three hundred fifty-four".