51201530334 has 72 divisors (see below), whose sum is σ = 117803459592. Its totient is φ = 16069376160.

The previous prime is 51201530327. The next prime is 51201530363. The reversal of 51201530334 is 43303510215.

51201530334 is a `hidden beast` number, since 5 + 120 + 1 + 530 + 3 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51201530298 and 51201530307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1035004 + ... + 1083344.

It is an arithmetic number, because the mean of its divisors is an integer number (1636159161).

Almost surely, 2^51201530334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51201530334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58901729796).

51201530334 is an abundant number, since it is smaller than the sum of its proper divisors (66601929258).

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

51201530334 is a wasteful number, since it uses less digits than its factorization.

51201530334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48550 (or 48528 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 51201530334 in words is "fifty-one billion, two hundred one million, five hundred thirty thousand, three hundred thirty-four".