54451147 has 2 divisors, whose sum is σ = 54451148. Its totient is φ = 54451146.

The previous prime is 54451139. The next prime is 54451213. The reversal of 54451147 is 74115445.

54451147 is nontrivially palindromic in base 8.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54451147 - 2³ = 54451139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54451127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27225573 + 27225574.

It is an arithmetic number, because the mean of its divisors is an integer number (27225574).

Almost surely, 2^54451147 is an apocalyptic number.

54451147 is a deficient number, since it is larger than the sum of its proper divisors (1).

54451147 is an equidigital number, since it uses as much as digits as its factorization.

54451147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 31.

The square root of 54451147 is about 7379.1020456421. The cubic root of 54451147 is about 379.0260075023.

The spelling of 54451147 in words is "fifty-four million, four hundred fifty-one thousand, one hundred forty-seven".