51550435050 has 96 divisors (see below), whose sum is σ = 128552486400. Its totient is φ = 13670952960.

The previous prime is 51550435007. The next prime is 51550435063. The reversal of 51550435050 is 5053405515.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24212386 + ... + 24214514.

It is an arithmetic number, because the mean of its divisors is an integer number (1339088400).

Almost surely, 2^51550435050 is an apocalyptic number.

51550435050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51550435050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64276243200).

51550435050 is an abundant number, since it is smaller than the sum of its proper divisors (77002051350).

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

51550435050 is a wasteful number, since it uses less digits than its factorization.

51550435050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 51550435050 in words is "fifty-one billion, five hundred fifty million, four hundred thirty-five thousand, fifty".