51600505120 has 48 divisors (see below), whose sum is σ = 123904678968. Its totient is φ = 20301834240.

The previous prime is 51600505081. The next prime is 51600505123. The reversal of 51600505120 is 2150500615.

It can be written as a sum of positive squares in 4 ways, for example, as 25937746704 + 25662758416 = 161052^2 + 160196^2 .

It is a super-2 number, since 2×51600505120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51600505123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633709 + ... + 2653228.

Almost surely, 2^51600505120 is an apocalyptic number.

It is an amenable number.

51600505120 is an abundant number, since it is smaller than the sum of its proper divisors (72304173848).

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

51600505120 is a wasteful number, since it uses less digits than its factorization.

51600505120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287013 (or 5287005 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 51600505120 in words is "fifty-one billion, six hundred million, five hundred five thousand, one hundred twenty".