54145199 has 2 divisors, whose sum is σ = 54145200. Its totient is φ = 54145198.

The previous prime is 54145183. The next prime is 54145207. The reversal of 54145199 is 99154145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54145199 - 2⁴ = 54145183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54145129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072599 + 27072600.

It is an arithmetic number, because the mean of its divisors is an integer number (27072600).

Almost surely, 2^54145199 is an apocalyptic number.

54145199 is a deficient number, since it is larger than the sum of its proper divisors (1).

54145199 is an equidigital number, since it uses as much as digits as its factorization.

54145199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 54145199 is about 7358.3421366501. The cubic root of 54145199 is about 378.3147882173.

The spelling of 54145199 in words is "fifty-four million, one hundred forty-five thousand, one hundred ninety-nine".