54420887 has 2 divisors, whose sum is σ = 54420888. Its totient is φ = 54420886.

The previous prime is 54420871. The next prime is 54420889. The reversal of 54420887 is 78802445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54420887 - 2⁴ = 54420871 is a prime.

Together with 54420889, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54420887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54420889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27210443 + 27210444.

It is an arithmetic number, because the mean of its divisors is an integer number (27210444).

Almost surely, 2^54420887 is an apocalyptic number.

54420887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54420887 is an equidigital number, since it uses as much as digits as its factorization.

54420887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 54420887 is about 7377.0513757192. The cubic root of 54420887 is about 378.9557827664.

The spelling of 54420887 in words is "fifty-four million, four hundred twenty thousand, eight hundred eighty-seven".