51324560100 has 216 divisors, whose sum is σ = 177206283072. Its totient is φ = 12321273600.

The previous prime is 51324560087. The next prime is 51324560117. The reversal of 51324560100 is 106542315.

51324560100 is a `hidden beast` number, since 5 + 13 + 2 + 45 + 601 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 994534 + ... + 1044866.

Almost surely, 2^51324560100 is an apocalyptic number.

51324560100 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 51324560100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88603141536).

51324560100 is an abundant number, since it is smaller than the sum of its proper divisors (125881722972).

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

51324560100 is a wasteful number, since it uses less digits than its factorization.

51324560100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50467 (or 50457 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 51324560100 in words is "fifty-one billion, three hundred twenty-four million, five hundred sixty thousand, one hundred".