5005545 has 32 divisors (see below), whose sum is σ = 8536320.
Its totient is φ = 2499840.
The previous prime is 5005523. The next prime is 5005549. The reversal of 5005545 is 5455005.
It is not a de Polignac number, because 5005545 - 28 = 5005289 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (5005549) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15940 + ... + 16250.
It is an arithmetic number, because the mean of its divisors is an integer number (266760).
Almost surely, 25005545 is an apocalyptic number.
It is an amenable number.
5005545 is a deficient number, since it is larger than the sum of its proper divisors (3530775).
5005545 is a wasteful number, since it uses less digits than its factorization.
5005545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385.
The product of its (nonzero) digits is 2500, while the sum is 24.
The square root of 5005545 is about 2237.3075336216.
The cubic root of 5005545 is about 171.0607834255.
The spelling of 5005545 in words is "five million, five thousand, five hundred forty-five".