51044790 has 16 divisors (see below), whose sum is σ = 122507568. Its totient is φ = 13611936.

The previous prime is 51044783. The next prime is 51044801. The reversal of 51044790 is 9744015.

It is a happy number.

51044790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51044790² = 5211141172288200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1701493 = 51044790 / (5 + 1 + 0 + 4 + 4 + 7 + 9 + 0).

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 7 ways as a sum of consecutive naturals, for example, 850717 + ... + 850776.

It is an arithmetic number, because the mean of its divisors is an integer number (7656723).

Almost surely, 2^51044790 is an apocalyptic number.

51044790 is an abundant number, since it is smaller than the sum of its proper divisors (71462778).

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

51044790 is a wasteful number, since it uses less digits than its factorization.

51044790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701503.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 51044790 is about 7144.5636675727. The cubic root of 51044790 is about 370.9515076246.

The spelling of 51044790 in words is "fifty-one million, forty-four thousand, seven hundred ninety".