51015882 has 16 divisors (see below), whose sum is σ = 102245472. Its totient is φ = 16969680.

The previous prime is 51015871. The next prime is 51015907. The reversal of 51015882 is 28851015.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5713 + ... + 11604.

It is an arithmetic number, because the mean of its divisors is an integer number (6390342).

Almost surely, 2^51015882 is an apocalyptic number.

51015882 is an abundant number, since it is smaller than the sum of its proper divisors (51229590).

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

51015882 is a wasteful number, since it uses less digits than its factorization.

51015882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 51015882 is about 7142.5403044015. The cubic root of 51015882 is about 370.8814678867.

Adding to 51015882 its reverse (28851015), we get a palindrome (79866897).

The spelling of 51015882 in words is "fifty-one million, fifteen thousand, eight hundred eighty-two".