54420889 has 2 divisors, whose sum is σ = 54420890. Its totient is φ = 54420888.

The previous prime is 54420887. The next prime is 54420901. The reversal of 54420889 is 98802445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 23116864 = 5595^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 54420889 - 2¹ = 54420887 is a prime.

Together with 54420887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54420887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27210444 + 27210445.

It is an arithmetic number, because the mean of its divisors is an integer number (27210445).

Almost surely, 2^54420889 is an apocalyptic number.

It is an amenable number.

54420889 is a deficient number, since it is larger than the sum of its proper divisors (1).

54420889 is an equidigital number, since it uses as much as digits as its factorization.

54420889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 54420889 is about 7377.0515112747. The cubic root of 54420889 is about 378.9557874087.

The spelling of 54420889 in words is "fifty-four million, four hundred twenty thousand, eight hundred eighty-nine".