51716226883183 has 4 divisors (see below), whose sum is σ = 52033504348888. Its totient is φ = 51398949417480.

The previous prime is 51716226883141. The next prime is 51716226883259. The reversal of 51716226883183 is 38138862261715.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51716226883183 is a prime.

It is a super-2 number, since 2×51716226883183² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716226883103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158638732608 + ... + 158638732933.

It is an arithmetic number, because the mean of its divisors is an integer number (13008376087222).

Almost surely, 2^{51716226883183} is an apocalyptic number.

51716226883183 is a deficient number, since it is larger than the sum of its proper divisors (317277465705).

51716226883183 is a wasteful number, since it uses less digits than its factorization.

51716226883183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317277465704.

The product of its digits is 23224320, while the sum is 61.

The spelling of 51716226883183 in words is "fifty-one trillion, seven hundred sixteen billion, two hundred twenty-six million, eight hundred eighty-three thousand, one hundred eighty-three".