51443545300 has 144 divisors (see below), whose sum is σ = 136937485440. Its totient is φ = 16372592640.

The previous prime is 51443545273. The next prime is 51443545301. The reversal of 51443545300 is 354534415.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51443545301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839091 + ... + 898309.

It is an arithmetic number, because the mean of its divisors is an integer number (950954760).

Almost surely, 2^51443545300 is an apocalyptic number.

51443545300 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 51443545300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68468742720).

51443545300 is an abundant number, since it is smaller than the sum of its proper divisors (85493940140).

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

51443545300 is a wasteful number, since it uses less digits than its factorization.

51443545300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330 (or 59323 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 51443545300 in words is "fifty-one billion, four hundred forty-three million, five hundred forty-five thousand, three hundred".