54387259 has 2 divisors, whose sum is σ = 54387260. Its totient is φ = 54387258.

The previous prime is 54387191. The next prime is 54387323. The reversal of 54387259 is 95278345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54387259 - 2¹³ = 54379067 is a prime.

It is not a weakly prime, because it can be changed into another prime (54387859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27193629 + 27193630.

It is an arithmetic number, because the mean of its divisors is an integer number (27193630).

Almost surely, 2^54387259 is an apocalyptic number.

54387259 is a deficient number, since it is larger than the sum of its proper divisors (1).

54387259 is an equidigital number, since it uses as much as digits as its factorization.

54387259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 54387259 is about 7374.7717930794. The cubic root of 54387259 is about 378.8777113279.

The spelling of 54387259 in words is "fifty-four million, three hundred eighty-seven thousand, two hundred fifty-nine".