51958560000 has 180 divisors, whose sum is σ = 172803210272. Its totient is φ = 13855488000.

The previous prime is 51958559993. The next prime is 51958560013. The reversal of 51958560000 is 6585915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 425877 + ... + 534123.

Almost surely, 2^51958560000 is an apocalyptic number.

51958560000 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 51958560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86401605136).

51958560000 is an abundant number, since it is smaller than the sum of its proper divisors (120844650272).

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

51958560000 is an equidigital number, since it uses as much as digits as its factorization.

51958560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108286 (or 108257 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 51958560000 in words is "fifty-one billion, nine hundred fifty-eight million, five hundred sixty thousand".