5545405 has 16 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 4305600.

The previous prime is 5545403. The next prime is 5545411. The reversal of 5545405 is 5045455.

It is not a de Polignac number, because 5545405 - 2¹ = 5545403 is a prime.

It is a super-2 number, since 2×5545405² = 61503033228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545403) 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, 39826 + ... + 39964.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

Almost surely, 2^5545405 is an apocalyptic number.

It is an amenable number.

5545405 is a deficient number, since it is larger than the sum of its proper divisors (1308995).

5545405 is a wasteful number, since it uses less digits than its factorization.

5545405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 5545405 is about 2354.8683615013. The cubic root of 5545405 is about 177.0018300214.

The spelling of 5545405 in words is "five million, five hundred forty-five thousand, four hundred five".