5558405 has 8 divisors (see below), whose sum is σ = 7062552. Its totient is φ = 4185088.

The previous prime is 5558389. The next prime is 5558407. The reversal of 5558405 is 5048555.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 5166529 = 626^2 + 2273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5558405 - 2⁴ = 5558389 is a prime.

It is a super-2 number, since 2×5558405² = 61791732288050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32612 + ... + 32781.

It is an arithmetic number, because the mean of its divisors is an integer number (882819).

Almost surely, 2^5558405 is an apocalyptic number.

It is an amenable number.

5558405 is a deficient number, since it is larger than the sum of its proper divisors (1504147).

5558405 is a wasteful number, since it uses less digits than its factorization.

5558405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65415.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 5558405 is about 2357.6269849151. The cubic root of 5558405 is about 177.1400362206.

The spelling of 5558405 in words is "five million, five hundred fifty-eight thousand, four hundred five".