51648871536600 has 96 divisors (see below), whose sum is σ = 172427771155920. Its totient is φ = 12713568376320.

The previous prime is 51648871536593. The next prime is 51648871536611. The reversal of 51648871536600 is 663517884615.

It is a happy number.

It is a super-3 number, since 3×51648871536600³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3310817299 + ... + 3310832898.

Almost surely, 2^{51648871536600} is an apocalyptic number.

51648871536600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51648871536600 is an abundant number, since it is smaller than the sum of its proper divisors (120778899619320).

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

51648871536600 is a wasteful number, since it uses less digits than its factorization.

51648871536600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621650229 (or 6621650220 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 51648871536600 in words is "fifty-one trillion, six hundred forty-eight billion, eight hundred seventy-one million, five hundred thirty-six thousand, six hundred".