54490087 has 2 divisors, whose sum is σ = 54490088. Its totient is φ = 54490086.

The previous prime is 54490063. The next prime is 54490103. The reversal of 54490087 is 78009445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54490087 - 2¹¹ = 54488039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54494087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27245043 + 27245044.

It is an arithmetic number, because the mean of its divisors is an integer number (27245044).

Almost surely, 2^54490087 is an apocalyptic number.

54490087 is a deficient number, since it is larger than the sum of its proper divisors (1).

54490087 is an equidigital number, since it uses as much as digits as its factorization.

54490087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 54490087 is about 7381.7401065061. The cubic root of 54490087 is about 379.1163377442.

The spelling of 54490087 in words is "fifty-four million, four hundred ninety thousand, eighty-seven".