54075149 has 2 divisors, whose sum is σ = 54075150. Its totient is φ = 54075148.

The previous prime is 54075143. The next prime is 54075157. The reversal of 54075149 is 94157045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46485124 + 7590025 = 6818^2 + 2755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54075149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54075143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27037574 + 27037575.

It is an arithmetic number, because the mean of its divisors is an integer number (27037575).

Almost surely, 2^54075149 is an apocalyptic number.

It is an amenable number.

54075149 is a deficient number, since it is larger than the sum of its proper divisors (1).

54075149 is an equidigital number, since it uses as much as digits as its factorization.

54075149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 54075149 is about 7353.5806924246. The cubic root of 54075149 is about 378.1515703752.

The spelling of 54075149 in words is "fifty-four million, seventy-five thousand, one hundred forty-nine".