51142954176 has 196 divisors, whose sum is σ = 157411674000. Its totient is φ = 16459365888.

The previous prime is 51142954157. The next prime is 51142954231. The reversal of 51142954176 is 67145924115.

51142954176 is a `hidden beast` number, since 5 + 1 + 1 + 429 + 54 + 176 = 666.

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 27 ways as a sum of consecutive naturals, for example, 1334125 + ... + 1371923.

Almost surely, 2^51142954176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51142954176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78705837000).

51142954176 is an abundant number, since it is smaller than the sum of its proper divisors (106268719824).

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

51142954176 is an equidigital number, since it uses as much as digits as its factorization.

51142954176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37858 (or 37833 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 51142954176 in words is "fifty-one billion, one hundred forty-two million, nine hundred fifty-four thousand, one hundred seventy-six".