51535433762120 has 192 divisors, whose sum is σ = 146298236313600. Its totient is φ = 15992845862400.

The previous prime is 51535433762119. The next prime is 51535433762123. The reversal of 51535433762120 is 2126733453515.

It is not an unprimeable number, because it can be changed into a prime (51535433762123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4437305 + ... + 11079735.

It is an arithmetic number, because the mean of its divisors is an integer number (761969980800).

Almost surely, 2^{51535433762120} 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 51535433762120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73149118156800).

51535433762120 is an abundant number, since it is smaller than the sum of its proper divisors (94762802551480).

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

51535433762120 is a wasteful number, since it uses less digits than its factorization.

51535433762120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642700 (or 6642685 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 51535433762120 in words is "fifty-one trillion, five hundred thirty-five billion, four hundred thirty-three million, seven hundred sixty-two thousand, one hundred twenty".