5520045 has 16 divisors (see below), whose sum is σ = 8876160. Its totient is φ = 2929344.

The previous prime is 5520029. The next prime is 5520049. The reversal of 5520045 is 5400255.

It is not a de Polignac number, because 5520045 - 2⁴ = 5520029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520049) 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, 2632 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (554760).

Almost surely, 2^5520045 is an apocalyptic number.

It is an amenable number.

5520045 is a deficient number, since it is larger than the sum of its proper divisors (3356115).

5520045 is a wasteful number, since it uses less digits than its factorization.

5520045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 5520045 is about 2349.4776015106. The cubic root of 5520045 is about 176.7315986944.

It can be divided in two parts, 55 and 20045, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 5520045 in words is "five million, five hundred twenty thousand, forty-five".