51054547 has 4 divisors (see below), whose sum is σ = 51165280. Its totient is φ = 50943816.

The previous prime is 51054541. The next prime is 51054569. The reversal of 51054547 is 74545015.

51054547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51054547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51054541) 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 3 ways as a sum of consecutive naturals, for example, 54672 + ... + 55597.

It is an arithmetic number, because the mean of its divisors is an integer number (12791320).

Almost surely, 2^51054547 is an apocalyptic number.

51054547 is a deficient number, since it is larger than the sum of its proper divisors (110733).

51054547 is a wasteful number, since it uses less digits than its factorization.

51054547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110732.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 51054547 is about 7145.2464618094. The cubic root of 51054547 is about 370.9751413998.

The spelling of 51054547 in words is "fifty-one million, fifty-four thousand, five hundred forty-seven".