54456147 has 12 divisors (see below), whose sum is σ = 82799080. Its totient is φ = 34393248.

The previous prime is 54456133. The next prime is 54456161. The reversal of 54456147 is 74165445.

54456147 is a `hidden beast` number, since 54 + 4 + 561 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (54456133) and next prime (54456161).

It is not a de Polignac number, because 54456147 - 2¹⁰ = 54455123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54456107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159058 + ... + 159399.

Almost surely, 2^54456147 is an apocalyptic number.

54456147 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54456147 is a deficient number, since it is larger than the sum of its proper divisors (28342933).

54456147 is a wasteful number, since it uses less digits than its factorization.

54456147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318482 (or 318479 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 54456147 is about 7379.4408324750. The cubic root of 54456147 is about 379.0376085560.

The spelling of 54456147 in words is "fifty-four million, four hundred fifty-six thousand, one hundred forty-seven".