54915147 has 24 divisors (see below), whose sum is σ = 91320320. Its totient is φ = 31149360.

The previous prime is 54915139. The next prime is 54915193. The reversal of 54915147 is 74151945.

54915147 is a `hidden beast` number, since 54 + 91 + 514 + 7 = 666.

54915147 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 54915147 - 2³ = 54915139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54915127) 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 23 ways as a sum of consecutive naturals, for example, 5622 + ... + 11892.

Almost surely, 2^54915147 is an apocalyptic number.

54915147 is a deficient number, since it is larger than the sum of its proper divisors (36405173).

54915147 is a wasteful number, since it uses less digits than its factorization.

54915147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423 (or 6420 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 54915147 is about 7410.4754908170. The cubic root of 54915147 is about 380.0995745517.

The spelling of 54915147 in words is "fifty-four million, nine hundred fifteen thousand, one hundred forty-seven".