51794210628 has 72 divisors (see below), whose sum is σ = 135903156480. Its totient is φ = 16614406080.

The previous prime is 51794210603. The next prime is 51794210639. The reversal of 51794210628 is 82601249715.

51794210628 is a `hidden beast` number, since 5 + 1 + 7 + 9 + 4 + 2 + 10 + 628 = 666.

51794210628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 70126 + ... + 329402.

It is an arithmetic number, because the mean of its divisors is an integer number (1887543840).

Almost surely, 2^51794210628 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 51794210628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67951578240).

51794210628 is an abundant number, since it is smaller than the sum of its proper divisors (84108945852).

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

51794210628 is a wasteful number, since it uses less digits than its factorization.

51794210628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259497 (or 259492 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 51794210628 in words is "fifty-one billion, seven hundred ninety-four million, two hundred ten thousand, six hundred twenty-eight".