51022984 has 16 divisors (see below), whose sum is σ = 101295900. Its totient is φ = 24010752.

The previous prime is 51022957. The next prime is 51022991. The reversal of 51022984 is 48922015.

It can be written as a sum of positive squares in 2 ways, for example, as 39312900 + 11710084 = 6270^2 + 3422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187449 + ... + 187720.

Almost surely, 2^51022984 is an apocalyptic number.

It is an amenable number.

51022984 is a deficient number, since it is larger than the sum of its proper divisors (50272916).

51022984 is a wasteful number, since it uses less digits than its factorization.

51022984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375192 (or 375188 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51022984 is about 7143.0374491528. The cubic root of 51022984 is about 370.8986774161.

Adding to 51022984 its reverse (48922015), we get a palindrome (99944999).

The spelling of 51022984 in words is "fifty-one million, twenty-two thousand, nine hundred eighty-four".