54423555 has 16 divisors (see below), whose sum is σ = 87237024. Its totient is φ = 28972800.

The previous prime is 54423553. The next prime is 54423563. The reversal of 54423555 is 55532445.

It is not a de Polignac number, because 54423555 - 2¹ = 54423553 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (54423553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5997 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (5452314).

Almost surely, 2^54423555 is an apocalyptic number.

54423555 is a deficient number, since it is larger than the sum of its proper divisors (32813469).

54423555 is a wasteful number, since it uses less digits than its factorization.

54423555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646.

The product of its digits is 60000, while the sum is 33.

The square root of 54423555 is about 7377.2322045602. The cubic root of 54423555 is about 378.9619754715.

The spelling of 54423555 in words is "fifty-four million, four hundred twenty-three thousand, five hundred fifty-five".