51041718 has 192 divisors, whose sum is σ = 151787520. Its totient is φ = 12400128.

The previous prime is 51041707. The next prime is 51041719. The reversal of 51041718 is 81714015.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51041691 and 51041700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51041719) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1085971 + ... + 1086017.

It is an arithmetic number, because the mean of its divisors is an integer number (790560).

Almost surely, 2^51041718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51041718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75893760).

51041718 is an abundant number, since it is smaller than the sum of its proper divisors (100745802).

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

51041718 is a wasteful number, since it uses less digits than its factorization.

51041718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 51041718 is about 7144.3486757017. The cubic root of 51041718 is about 370.9440658864.

The spelling of 51041718 in words is "fifty-one million, forty-one thousand, seven hundred eighteen".