51246604200 has 192 divisors, whose sum is σ = 174088857600. Its totient is φ = 12367353600.

The previous prime is 51246604187. The next prime is 51246604219. The reversal of 51246604200 is 240664215.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1454391 + ... + 1489209.

It is an arithmetic number, because the mean of its divisors is an integer number (906712800).

Almost surely, 2^51246604200 is an apocalyptic number.

51246604200 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 51246604200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87044428800).

51246604200 is an abundant number, since it is smaller than the sum of its proper divisors (122842253400).

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

51246604200 is a wasteful number, since it uses less digits than its factorization.

51246604200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35072 (or 35063 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 51246604200 in words is "fifty-one billion, two hundred forty-six million, six hundred four thousand, two hundred".