51327696 has 120 divisors (see below), whose sum is σ = 156344160. Its totient is φ = 14466816.

The previous prime is 51327677. The next prime is 51327701. The reversal of 51327696 is 69672315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326850 + ... + 327006.

It is an arithmetic number, because the mean of its divisors is an integer number (1302868).

Almost surely, 2^51327696 is an apocalyptic number.

51327696 is a gapful number since it is divisible by the number (56) 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 51327696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78172080).

51327696 is an abundant number, since it is smaller than the sum of its proper divisors (105016464).

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

51327696 is a wasteful number, since it uses less digits than its factorization.

51327696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 308 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 51327696 is about 7164.3350005426. The cubic root of 51327696 is about 371.6355547387.

The spelling of 51327696 in words is "fifty-one million, three hundred twenty-seven thousand, six hundred ninety-six".