51917296 has 20 divisors (see below), whose sum is σ = 100726192. Its totient is φ = 25923456.

The previous prime is 51917287. The next prime is 51917311. The reversal of 51917296 is 69271915.

It is a zygodrome in base 2.

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 3 ways as a sum of consecutive naturals, for example, 13261 + ... + 16723.

Almost surely, 2^51917296 is an apocalyptic number.

It is an amenable number.

51917296 is a deficient number, since it is larger than the sum of its proper divisors (48808896).

51917296 is a wasteful number, since it uses less digits than its factorization.

51917296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4402 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 51917296 is about 7205.3657783627. The cubic root of 51917296 is about 373.0531301673.

The spelling of 51917296 in words is "fifty-one million, nine hundred seventeen thousand, two hundred ninety-six".