51050613000 has 128 divisors (see below), whose sum is σ = 159789726720. Its totient is φ = 13569753600.

The previous prime is 51050612981. The next prime is 51050613059. The reversal of 51050613000 is 31605015.

It is a happy number.

It is a super-5 number, since 5×51050613000⁵ (a number of 55 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911817 + ... + 966183.

It is an arithmetic number, because the mean of its divisors is an integer number (1248357240).

Almost surely, 2^51050613000 is an apocalyptic number.

51050613000 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 51050613000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79894863360).

51050613000 is an abundant number, since it is smaller than the sum of its proper divisors (108739113720).

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

51050613000 is a wasteful number, since it uses less digits than its factorization.

51050613000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54704 (or 54690 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 51050613000 in words is "fifty-one billion, fifty million, six hundred thirteen thousand".