51246873600 has 264 divisors, whose sum is σ = 182405877360. Its totient is φ = 12614369280.

The previous prime is 51246873583. The next prime is 51246873607. The reversal of 51246873600 is 637864215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51246873607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 972736 + ... + 1024064.

Almost surely, 2^51246873600 is an apocalyptic number.

51246873600 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 51246873600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91202938680).

51246873600 is an abundant number, since it is smaller than the sum of its proper divisors (131159003760).

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

51246873600 is a wasteful number, since it uses less digits than its factorization.

51246873600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51375 (or 51352 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 51246873600 in words is "fifty-one billion, two hundred forty-six million, eight hundred seventy-three thousand, six hundred".