51960409704 has 384 divisors, whose sum is σ = 172509143040. Its totient is φ = 13808019456.

The previous prime is 51960409693. The next prime is 51960409757. The reversal of 51960409704 is 40790406915.

51960409704 is a `hidden beast` number, since 519 + 6 + 0 + 40 + 97 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51960409704.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 154185024 + ... + 154185360.

It is an arithmetic number, because the mean of its divisors is an integer number (449242560).

Almost surely, 2^51960409704 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 51960409704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86254571520).

51960409704 is an abundant number, since it is smaller than the sum of its proper divisors (120548733336).

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

51960409704 is a wasteful number, since it uses less digits than its factorization.

51960409704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 51960409704 in words is "fifty-one billion, nine hundred sixty million, four hundred nine thousand, seven hundred four".