54581458 has 16 divisors (see below), whose sum is σ = 88112664. Its totient is φ = 25263360.

The previous prime is 54581437. The next prime is 54581477. The reversal of 54581458 is 85418545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43204329 + 11377129 = 6573^2 + 3373^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54581458.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11085 + ... + 15232.

Almost surely, 2^54581458 is an apocalyptic number.

54581458 is a deficient number, since it is larger than the sum of its proper divisors (33531206).

54581458 is a wasteful number, since it uses less digits than its factorization.

54581458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26397.

The product of its digits is 128000, while the sum is 40.

The square root of 54581458 is about 7387.9265020708. The cubic root of 54581458 is about 379.3281248588.

The spelling of 54581458 in words is "fifty-four million, five hundred eighty-one thousand, four hundred fifty-eight".