51002836 has 12 divisors (see below), whose sum is σ = 90330912. Its totient is φ = 25194008.

The previous prime is 51002813. The next prime is 51002857. The reversal of 51002836 is 63820015.

It is a happy number.

51002836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51002836.

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 in 3 ways as a sum of consecutive naturals, for example, 76480 + ... + 77143.

It is an arithmetic number, because the mean of its divisors is an integer number (7527576).

Almost surely, 2^51002836 is an apocalyptic number.

It is an amenable number.

51002836 is a deficient number, since it is larger than the sum of its proper divisors (39328076).

51002836 is a wasteful number, since it uses less digits than its factorization.

51002836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153710 (or 153708 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51002836 is about 7141.6269854985. The cubic root of 51002836 is about 370.8498507252.

The spelling of 51002836 in words is "fifty-one million, two thousand, eight hundred thirty-six".