54214091 has 2 divisors, whose sum is σ = 54214092. Its totient is φ = 54214090.

The previous prime is 54214081. The next prime is 54214117. The reversal of 54214091 is 19041245.

It is an a-pointer prime, because the next prime (54214117) can be obtained adding 54214091 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54214091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54214091.

It is not a weakly prime, because it can be changed into another prime (54214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27107045 + 27107046.

It is an arithmetic number, because the mean of its divisors is an integer number (27107046).

Almost surely, 2^54214091 is an apocalyptic number.

54214091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54214091 is an equidigital number, since it uses as much as digits as its factorization.

54214091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 54214091 is about 7363.0218660547. The cubic root of 54214091 is about 378.4751706515.

The spelling of 54214091 in words is "fifty-four million, two hundred fourteen thousand, ninety-one".