51600000500 has 96 divisors (see below), whose sum is σ = 119716396800. Its totient is φ = 19373904000.

The previous prime is 51600000479. The next prime is 51600000503. The reversal of 51600000500 is 500000615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600000503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010585 + ... + 1060415.

It is an arithmetic number, because the mean of its divisors is an integer number (1247045800).

Almost surely, 2^51600000500 is an apocalyptic number.

51600000500 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 51600000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59858198400).

51600000500 is an abundant number, since it is smaller than the sum of its proper divisors (68116396300).

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

51600000500 is a wasteful number, since it uses less digits than its factorization.

51600000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49978 (or 49966 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 51600000500 in words is "fifty-one billion, six hundred million, five hundred", and thus it is an aban number.