51746814 has 48 divisors (see below), whose sum is σ = 128899680. Its totient is φ = 14696640.

The previous prime is 51746813. The next prime is 51746837. The reversal of 51746814 is 41864715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51746813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21672 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (2685410).

Almost surely, 2^51746814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51746814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64449840).

51746814 is an abundant number, since it is smaller than the sum of its proper divisors (77152866).

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

51746814 is a wasteful number, since it uses less digits than its factorization.

51746814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2462 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 51746814 is about 7193.5258392530. The cubic root of 51746814 is about 372.6443480621.

The spelling of 51746814 in words is "fifty-one million, seven hundred forty-six thousand, eight hundred fourteen".