51339896 has 8 divisors (see below), whose sum is σ = 96262320. Its totient is φ = 25669944.

The previous prime is 51339859. The next prime is 51339923. The reversal of 51339896 is 69893315.

51339896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208736 + ... + 3208751.

It is an arithmetic number, because the mean of its divisors is an integer number (12032790).

Almost surely, 2^51339896 is an apocalyptic number.

It is an amenable number.

51339896 is a deficient number, since it is larger than the sum of its proper divisors (44922424).

51339896 is a wasteful number, since it uses less digits than its factorization.

51339896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417493 (or 6417489 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 51339896 is about 7165.1863897599. The cubic root of 51339896 is about 371.6649968979.

The spelling of 51339896 in words is "fifty-one million, three hundred thirty-nine thousand, eight hundred ninety-six".