54581827 has 2 divisors, whose sum is σ = 54581828. Its totient is φ = 54581826.

The previous prime is 54581809. The next prime is 54581833. The reversal of 54581827 is 72818545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54581827 - 2¹⁵ = 54549059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54581827.

It is not a weakly prime, because it can be changed into another prime (54581887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27290913 + 27290914.

It is an arithmetic number, because the mean of its divisors is an integer number (27290914).

Almost surely, 2^54581827 is an apocalyptic number.

54581827 is a deficient number, since it is larger than the sum of its proper divisors (1).

54581827 is an equidigital number, since it uses as much as digits as its factorization.

54581827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 40.

The square root of 54581827 is about 7387.9514752061. The cubic root of 54581827 is about 379.3289796775.

The spelling of 54581827 in words is "fifty-four million, five hundred eighty-one thousand, eight hundred twenty-seven".