54145115 has 4 divisors (see below), whose sum is σ = 64974144. Its totient is φ = 43316088.

The previous prime is 54145111. The next prime is 54145121. The reversal of 54145115 is 51154145.

54145115 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 54145115 - 2² = 54145111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54145111) 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, 5414507 + ... + 5414516.

It is an arithmetic number, because the mean of its divisors is an integer number (16243536).

Almost surely, 2^54145115 is an apocalyptic number.

54145115 is a deficient number, since it is larger than the sum of its proper divisors (10829029).

54145115 is a wasteful number, since it uses less digits than its factorization.

54145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829028.

The product of its digits is 2000, while the sum is 26.

The square root of 54145115 is about 7358.3364288404. The cubic root of 54145115 is about 378.3145925800.

The spelling of 54145115 in words is "fifty-four million, one hundred forty-five thousand, one hundred fifteen".