51326592 has 64 divisors (see below), whose sum is σ = 138279360. Its totient is φ = 16865280.

The previous prime is 51326591. The next prime is 51326603. The reversal of 51326592 is 29562315.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (51326591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27117 + ... + 28947.

It is an arithmetic number, because the mean of its divisors is an integer number (2160615).

Almost surely, 2^51326592 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 51326592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69139680).

51326592 is an abundant number, since it is smaller than the sum of its proper divisors (86952768).

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

51326592 is a wasteful number, since it uses less digits than its factorization.

51326592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1909 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 51326592 is about 7164.2579518049. The cubic root of 51326592 is about 371.6328902345.

The spelling of 51326592 in words is "fifty-one million, three hundred twenty-six thousand, five hundred ninety-two".