51145054 has 16 divisors (see below), whose sum is σ = 80289792. Its totient is φ = 24388408.

The previous prime is 51145051. The next prime is 51145057. The reversal of 51145054 is 45054115.

It is a happy number.

51145054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51145051) and next prime (51145057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51145051) 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 7 ways as a sum of consecutive naturals, for example, 16167 + ... + 19069.

It is an arithmetic number, because the mean of its divisors is an integer number (5018112).

Almost surely, 2^51145054 is an apocalyptic number.

51145054 is a deficient number, since it is larger than the sum of its proper divisors (29144738).

51145054 is a wasteful number, since it uses less digits than its factorization.

51145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 51145054 is about 7151.5770288797. The cubic root of 51145054 is about 371.1942275085.

Adding to 51145054 its reverse (45054115), we get a palindrome (96199169).

The spelling of 51145054 in words is "fifty-one million, one hundred forty-five thousand, fifty-four".