51054563 has 4 divisors (see below), whose sum is σ = 58348080. Its totient is φ = 43761048.

The previous prime is 51054541. The next prime is 51054569. The reversal of 51054563 is 36545015.

51054563 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 not a de Polignac number, because 51054563 - 2¹⁰ = 51053539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51054569) 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, 3646748 + ... + 3646761.

It is an arithmetic number, because the mean of its divisors is an integer number (14587020).

Almost surely, 2^51054563 is an apocalyptic number.

51054563 is a deficient number, since it is larger than the sum of its proper divisors (7293517).

51054563 is an equidigital number, since it uses as much as digits as its factorization.

51054563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293516.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51054563 is about 7145.2475814348. The cubic root of 51054563 is about 370.9751801532.

Adding to 51054563 its reverse (36545015), we get a palindrome (87599578).

The spelling of 51054563 in words is "fifty-one million, fifty-four thousand, five hundred sixty-three".