51716051100 has 288 divisors, whose sum is σ = 194645875200. Its totient is φ = 11532326400.

The previous prime is 51716051087. The next prime is 51716051159. The reversal of 51716051100 is 115061715.

It is a happy number.

51716051100 is a `hidden beast` number, since 51 + 7 + 1 + 605 + 1 + 1 + 0 + 0 = 666.

It is a super-2 number, since 2×51716051100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 741531 + ... + 808269.

Almost surely, 2^51716051100 is an apocalyptic number.

51716051100 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 51716051100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97322937600).

51716051100 is an abundant number, since it is smaller than the sum of its proper divisors (142929824100).

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

51716051100 is a wasteful number, since it uses less digits than its factorization.

51716051100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66810 (or 66797 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The spelling of 51716051100 in words is "fifty-one billion, seven hundred sixteen million, fifty-one thousand, one hundred".