51263537300 has 72 divisors (see below), whose sum is σ = 112316144640. Its totient is φ = 20307974400.

The previous prime is 51263537279. The next prime is 51263537317. The reversal of 51263537300 is 373536215.

It is a happy number.

51263537300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7858040 + ... + 7864560.

Almost surely, 2^51263537300 is an apocalyptic number.

51263537300 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 51263537300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56158072320).

51263537300 is an abundant number, since it is smaller than the sum of its proper divisors (61052607340).

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

51263537300 is a wasteful number, since it uses less digits than its factorization.

51263537300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

The spelling of 51263537300 in words is "fifty-one billion, two hundred sixty-three million, five hundred thirty-seven thousand, three hundred".