51286802 has 8 divisors (see below), whose sum is σ = 87920256. Its totient is φ = 21980052.

The previous prime is 51286801. The next prime is 51286811. The reversal of 51286802 is 20868215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51286801) 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, 1831658 + ... + 1831685.

It is an arithmetic number, because the mean of its divisors is an integer number (10990032).

Almost surely, 2^51286802 is an apocalyptic number.

51286802 is a deficient number, since it is larger than the sum of its proper divisors (36633454).

51286802 is a wasteful number, since it uses less digits than its factorization.

51286802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663352.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 51286802 is about 7161.4804335417. The cubic root of 51286802 is about 371.5368315447.

The spelling of 51286802 in words is "fifty-one million, two hundred eighty-six thousand, eight hundred two".