54418619 has 2 divisors, whose sum is σ = 54418620. Its totient is φ = 54418618.

The previous prime is 54418613. The next prime is 54418631. The reversal of 54418619 is 91681445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54418619 is a prime.

It is a super-2 number, since 2×54418619² = 5922772187734322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54418613) 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, 27209309 + 27209310.

It is an arithmetic number, because the mean of its divisors is an integer number (27209310).

Almost surely, 2^54418619 is an apocalyptic number.

54418619 is a deficient number, since it is larger than the sum of its proper divisors (1).

54418619 is an equidigital number, since it uses as much as digits as its factorization.

54418619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 54418619 is about 7376.8976541633. The cubic root of 54418619 is about 378.9505183438.

The spelling of 54418619 in words is "fifty-four million, four hundred eighteen thousand, six hundred nineteen".