51907996 has 12 divisors (see below), whose sum is σ = 103816048. Its totient is φ = 22246272.

The previous prime is 51907991. The next prime is 51908027. The reversal of 51907996 is 69970915.

51907996 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51907991) 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 3 ways as a sum of consecutive naturals, for example, 926901 + ... + 926956.

Almost surely, 2^51907996 is an apocalyptic number.

It is an amenable number.

51907996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51907996 is a wasteful number, since it uses less digits than its factorization.

51907996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853868 (or 1853866 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 51907996 is about 7204.7203970730. The cubic root of 51907996 is about 373.0308537035.

The spelling of 51907996 in words is "fifty-one million, nine hundred seven thousand, nine hundred ninety-six".