51044787 has 12 divisors (see below), whose sum is σ = 74056320. Its totient is φ = 33879888.

The previous prime is 51044783. The next prime is 51044801. The reversal of 51044787 is 78744015.

51044787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51044787 - 2² = 51044783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51044783) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10323 + ... + 14444.

It is an arithmetic number, because the mean of its divisors is an integer number (6171360).

Almost surely, 2^51044787 is an apocalyptic number.

51044787 is a deficient number, since it is larger than the sum of its proper divisors (23011533).

51044787 is a wasteful number, since it uses less digits than its factorization.

51044787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25002 (or 24999 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 51044787 is about 7144.5634576229. The cubic root of 51044787 is about 370.9515003574.

The spelling of 51044787 in words is "fifty-one million, forty-four thousand, seven hundred eighty-seven".