51383755152 has 30 divisors (see below), whose sum is σ = 143803148502. Its totient is φ = 17127918336.

The previous prime is 51383755141. The next prime is 51383755169. The reversal of 51383755152 is 25155738315.

51383755152 is a `hidden beast` number, since 5 + 13 + 8 + 37 + 551 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30981632256 + 20402122896 = 176016^2 + 142836^2 .

It is a super-3 number, since 3×51383755152³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51383755098 and 51383755107.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178415673 + ... + 178415960.

Almost surely, 2^51383755152 is an apocalyptic number.

It is an amenable number.

51383755152 is an abundant number, since it is smaller than the sum of its proper divisors (92419393350).

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

51383755152 is a wasteful number, since it uses less digits than its factorization.

51383755152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356831647 (or 356831638 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The spelling of 51383755152 in words is "fifty-one billion, three hundred eighty-three million, seven hundred fifty-five thousand, one hundred fifty-two".