54318491 has 2 divisors, whose sum is σ = 54318492. Its totient is φ = 54318490.

The previous prime is 54318469. The next prime is 54318521. The reversal of 54318491 is 19481345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54318491 - 2²² = 50124187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54318401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27159245 + 27159246.

It is an arithmetic number, because the mean of its divisors is an integer number (27159246).

Almost surely, 2^54318491 is an apocalyptic number.

54318491 is a deficient number, since it is larger than the sum of its proper divisors (1).

54318491 is an equidigital number, since it uses as much as digits as its factorization.

54318491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 54318491 is about 7370.1079367944. The cubic root of 54318491 is about 378.7179579105.

The spelling of 54318491 in words is "fifty-four million, three hundred eighteen thousand, four hundred ninety-one".