54185071 has 2 divisors, whose sum is σ = 54185072. Its totient is φ = 54185070.

The previous prime is 54185063. The next prime is 54185077. The reversal of 54185071 is 17058145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54185071 - 2³ = 54185063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54185077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27092535 + 27092536.

It is an arithmetic number, because the mean of its divisors is an integer number (27092536).

Almost surely, 2^54185071 is an apocalyptic number.

54185071 is a deficient number, since it is larger than the sum of its proper divisors (1).

54185071 is an equidigital number, since it uses as much as digits as its factorization.

54185071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 54185071 is about 7361.0509439889. The cubic root of 54185071 is about 378.4076278806.

The spelling of 54185071 in words is "fifty-four million, one hundred eighty-five thousand, seventy-one".