51403545200 has 120 divisors (see below), whose sum is σ = 141388501152. Its totient is φ = 17592975360.

The previous prime is 51403545191. The next prime is 51403545229. The reversal of 51403545200 is 254530415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599692 + ... + 1631508.

Almost surely, 2^51403545200 is an apocalyptic number.

51403545200 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 51403545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70694250576).

51403545200 is an abundant number, since it is smaller than the sum of its proper divisors (89984955952).

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

51403545200 is a wasteful number, since it uses less digits than its factorization.

51403545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32419 (or 32408 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 51403545200 in words is "fifty-one billion, four hundred three million, five hundred forty-five thousand, two hundred".