51826716 has 60 divisors (see below), whose sum is σ = 136888752. Its totient is φ = 17096832.

The previous prime is 51826681. The next prime is 51826729. The reversal of 51826716 is 61762815.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32596 + ... + 34148.

Almost surely, 2^51826716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51826716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68444376).

51826716 is an abundant number, since it is smaller than the sum of its proper divisors (85062036).

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

51826716 is a wasteful number, since it uses less digits than its factorization.

51826716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1661 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 51826716 is about 7199.0774408948. The cubic root of 51826716 is about 372.8360488604.

The spelling of 51826716 in words is "fifty-one million, eight hundred twenty-six thousand, seven hundred sixteen".