51544001200 has 60 divisors (see below), whose sum is σ = 124054959528. Its totient is φ = 20580889600.

The previous prime is 51544001191. The next prime is 51544001233. The reversal of 51544001200 is 210044515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110760 + ... + 339640.

Almost surely, 2^51544001200 is an apocalyptic number.

51544001200 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 51544001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62027479764).

51544001200 is an abundant number, since it is smaller than the sum of its proper divisors (72510958328).

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

51544001200 is a wasteful number, since it uses less digits than its factorization.

51544001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229462 (or 229451 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 51544001200 its reverse (210044515), we get a palindrome (51754045715).

The spelling of 51544001200 in words is "fifty-one billion, five hundred forty-four million, one thousand, two hundred".