54587999 has 2 divisors, whose sum is σ = 54588000. Its totient is φ = 54587998.

The previous prime is 54587989. The next prime is 54588041. The reversal of 54587999 is 99978545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54587999 - 2¹⁶ = 54522463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54587959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27293999 + 27294000.

It is an arithmetic number, because the mean of its divisors is an integer number (27294000).

Almost surely, 2^54587999 is an apocalyptic number.

54587999 is a deficient number, since it is larger than the sum of its proper divisors (1).

54587999 is an equidigital number, since it uses as much as digits as its factorization.

54587999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 56.

The square root of 54587999 is about 7388.3691705274. The cubic root of 54587999 is about 379.3432770505.

The spelling of 54587999 in words is "fifty-four million, five hundred eighty-seven thousand, nine hundred ninety-nine".