54056147 has 2 divisors, whose sum is σ = 54056148. Its totient is φ = 54056146.

The previous prime is 54056143. The next prime is 54056173. The reversal of 54056147 is 74165045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54056147 - 2² = 54056143 is a prime.

It is not a weakly prime, because it can be changed into another prime (54056143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27028073 + 27028074.

It is an arithmetic number, because the mean of its divisors is an integer number (27028074).

Almost surely, 2^54056147 is an apocalyptic number.

54056147 is a deficient number, since it is larger than the sum of its proper divisors (1).

54056147 is an equidigital number, since it uses as much as digits as its factorization.

54056147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 54056147 is about 7352.2885552731. The cubic root of 54056147 is about 378.1072710491.

The spelling of 54056147 in words is "fifty-four million, fifty-six thousand, one hundred forty-seven".