51671296 has 72 divisors (see below), whose sum is σ = 113025024. Its totient is φ = 23470080.

The previous prime is 51671287. The next prime is 51671309. The reversal of 51671296 is 69217615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134721 + ... + 135103.

It is an arithmetic number, because the mean of its divisors is an integer number (1569792).

Almost surely, 2^51671296 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 51671296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56512512).

51671296 is an abundant number, since it is smaller than the sum of its proper divisors (61353728).

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

51671296 is a wasteful number, since it uses less digits than its factorization.

51671296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 433 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 51671296 is about 7188.2748973589. The cubic root of 51671296 is about 372.4629838749.

The spelling of 51671296 in words is "fifty-one million, six hundred seventy-one thousand, two hundred ninety-six".