51176233472 has 120 divisors (see below), whose sum is σ = 128097371556. Its totient is φ = 20245413888.

The previous prime is 51176233469. The next prime is 51176233489. The reversal of 51176233472 is 27433267115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51032617216 + 143616256 = 225904^2 + 11984^2 .

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 11 ways as a sum of consecutive naturals, for example, 247688 + ... + 404600.

Almost surely, 2^51176233472 is an apocalyptic number.

51176233472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51176233472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64048685778).

51176233472 is an abundant number, since it is smaller than the sum of its proper divisors (76921138084).

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

51176233472 is a wasteful number, since it uses less digits than its factorization.

51176233472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156958 (or 156935 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The spelling of 51176233472 in words is "fifty-one billion, one hundred seventy-six million, two hundred thirty-three thousand, four hundred seventy-two".