54558405 has 48 divisors (see below), whose sum is σ = 108613440. Its totient is φ = 25056000.

The previous prime is 54558401. The next prime is 54558431. The reversal of 54558405 is 50485545.

54558405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54558405 - 2² = 54558401 is a prime.

It is a super-2 number, since 2×54558405² = 5953239112288050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54558405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54558401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6505 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (2262780).

Almost surely, 2^54558405 is an apocalyptic number.

54558405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54558405 is a deficient number, since it is larger than the sum of its proper divisors (54055035).

54558405 is a wasteful number, since it uses less digits than its factorization.

54558405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 54558405 is about 7386.3661566429. The cubic root of 54558405 is about 379.2747130531.

The spelling of 54558405 in words is "fifty-four million, five hundred fifty-eight thousand, four hundred five".