54455638 has 16 divisors (see below), whose sum is σ = 84088224. Its totient is φ = 26429760.

The previous prime is 54455627. The next prime is 54455647. The reversal of 54455638 is 83655445.

It is a self number, because there is not a number n which added to its sum of digits gives 54455638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55831 + ... + 56797.

It is an arithmetic number, because the mean of its divisors is an integer number (5255514).

Almost surely, 2^54455638 is an apocalyptic number.

54455638 is a deficient number, since it is larger than the sum of its proper divisors (29632586).

54455638 is a wasteful number, since it uses less digits than its factorization.

54455638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its digits is 288000, while the sum is 40.

The square root of 54455638 is about 7379.4063446865. The cubic root of 54455638 is about 379.0364276012.

The spelling of 54455638 in words is "fifty-four million, four hundred fifty-five thousand, six hundred thirty-eight".