54455567 has 2 divisors, whose sum is σ = 54455568. Its totient is φ = 54455566.

The previous prime is 54455551. The next prime is 54455579. The reversal of 54455567 is 76555445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54455567 - 2⁴ = 54455551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54455507) 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, 27227783 + 27227784.

It is an arithmetic number, because the mean of its divisors is an integer number (27227784).

Almost surely, 2^54455567 is an apocalyptic number.

54455567 is a deficient number, since it is larger than the sum of its proper divisors (1).

54455567 is an equidigital number, since it uses as much as digits as its factorization.

54455567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 41.

The square root of 54455567 is about 7379.4015339999. The cubic root of 54455567 is about 379.0362628702.

The spelling of 54455567 in words is "fifty-four million, four hundred fifty-five thousand, five hundred sixty-seven".