51772133304 has 96 divisors (see below), whose sum is σ = 145312174800. Its totient is φ = 16632322560.

The previous prime is 51772133267. The next prime is 51772133321. The reversal of 51772133304 is 40333127715.

51772133304 is a `hidden beast` number, since 517 + 7 + 2 + 133 + 3 + 0 + 4 = 666.

51772133304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153524 + ... + 1197564.

Almost surely, 2^51772133304 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 51772133304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72656087400).

51772133304 is an abundant number, since it is smaller than the sum of its proper divisors (93540041496).

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

51772133304 is a wasteful number, since it uses less digits than its factorization.

51772133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44645 (or 44638 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 51772133304 in words is "fifty-one billion, seven hundred seventy-two million, one hundred thirty-three thousand, three hundred four".