54458891 has 2 divisors, whose sum is σ = 54458892. Its totient is φ = 54458890.

The previous prime is 54458849. The next prime is 54458893. The reversal of 54458891 is 19885445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54458891 is a prime.

Together with 54458893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54458893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27229445 + 27229446.

It is an arithmetic number, because the mean of its divisors is an integer number (27229446).

Almost surely, 2^54458891 is an apocalyptic number.

54458891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54458891 is an equidigital number, since it uses as much as digits as its factorization.

54458891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 44.

The square root of 54458891 is about 7379.6267520790. The cubic root of 54458891 is about 379.0439749124.

The spelling of 54458891 in words is "fifty-four million, four hundred fifty-eight thousand, eight hundred ninety-one".