54942287 has 2 divisors, whose sum is σ = 54942288. Its totient is φ = 54942286.

The previous prime is 54942271. The next prime is 54942301. The reversal of 54942287 is 78224945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54942287 - 2⁴ = 54942271 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 (54942257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27471143 + 27471144.

It is an arithmetic number, because the mean of its divisors is an integer number (27471144).

Almost surely, 2^54942287 is an apocalyptic number.

54942287 is a deficient number, since it is larger than the sum of its proper divisors (1).

54942287 is an equidigital number, since it uses as much as digits as its factorization.

54942287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 54942287 is about 7412.3064561579. The cubic root of 54942287 is about 380.1621814647.

The spelling of 54942287 in words is "fifty-four million, nine hundred forty-two thousand, two hundred eighty-seven".