51006044 has 12 divisors (see below), whose sum is σ = 90095544. Its totient is φ = 25264464.

The previous prime is 51006023. The next prime is 51006047. The reversal of 51006044 is 44060015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006047) 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, 59159 + ... + 60014.

It is an arithmetic number, because the mean of its divisors is an integer number (7507962).

Almost surely, 2^51006044 is an apocalyptic number.

It is an amenable number.

51006044 is a deficient number, since it is larger than the sum of its proper divisors (39089500).

51006044 is a wasteful number, since it uses less digits than its factorization.

51006044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119284 (or 119282 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51006044 is about 7141.8515806477. The cubic root of 51006044 is about 370.8576258574.

Adding to 51006044 its reverse (44060015), we get a palindrome (95066059).

The spelling of 51006044 in words is "fifty-one million, six thousand, forty-four".