51000802 has 16 divisors (see below), whose sum is σ = 79545312. Its totient is φ = 24504480.

The previous prime is 51000751. The next prime is 51000841. The reversal of 51000802 is 20800015.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853 + ... + 10135.

It is an arithmetic number, because the mean of its divisors is an integer number (4971582).

Almost surely, 2^51000802 is an apocalyptic number.

51000802 is a deficient number, since it is larger than the sum of its proper divisors (28544510).

51000802 is a wasteful number, since it uses less digits than its factorization.

51000802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51000802 is about 7141.4845795535. The cubic root of 51000802 is about 370.8449208123.

Adding to 51000802 its reverse (20800015), we get a palindrome (71800817).

The spelling of 51000802 in words is "fifty-one million, eight hundred two", and thus it is an aban number.