51891296 has 24 divisors (see below), whose sum is σ = 102468240. Its totient is φ = 25867648.

The previous prime is 51891271. The next prime is 51891319. The reversal of 51891296 is 69219815.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9230 + ... + 13746.

It is an arithmetic number, because the mean of its divisors is an integer number (4269510).

Almost surely, 2^51891296 is an apocalyptic number.

It is an amenable number.

51891296 is a deficient number, since it is larger than the sum of its proper divisors (50576944).

51891296 is a wasteful number, since it uses less digits than its factorization.

51891296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886 (or 4878 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 51891296 is about 7203.5613414477. The cubic root of 51891296 is about 372.9908452017.

The spelling of 51891296 in words is "fifty-one million, eight hundred ninety-one thousand, two hundred ninety-six".