51297996 has 12 divisors (see below), whose sum is σ = 119695352. Its totient is φ = 17099328.

The previous prime is 51297989. The next prime is 51298019. The reversal of 51297996 is 69979215.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×51297996³ (a number of 24 digits) contains 333 as substring.

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, 2137405 + ... + 2137428.

Almost surely, 2^51297996 is an apocalyptic number.

It is an amenable number.

51297996 is an abundant number, since it is smaller than the sum of its proper divisors (68397356).

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

51297996 is a wasteful number, since it uses less digits than its factorization.

51297996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274840 (or 4274838 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 51297996 is about 7162.2619332163. The cubic root of 51297996 is about 371.5638604656.

The spelling of 51297996 in words is "fifty-one million, two hundred ninety-seven thousand, nine hundred ninety-six".