51908357760000 has 2640 divisors, whose sum is σ = 212180393040000. Its totient is φ = 11272740864000.

The previous prime is 51908357759903. The next prime is 51908357760037. The reversal of 51908357760000 is 6775380915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 348378239926 + ... + 348378240074.

It is an arithmetic number, because the mean of its divisors is an integer number (80371361000).

Almost surely, 2^{51908357760000} is an apocalyptic number.

51908357760000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51908357760000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106090196520000).

51908357760000 is an abundant number, since it is smaller than the sum of its proper divisors (160272035280000).

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

51908357760000 is an equidigital number, since it uses as much as digits as its factorization.

51908357760000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 51908357760000 in words is "fifty-one trillion, nine hundred eight billion, three hundred fifty-seven million, seven hundred sixty thousand".