5521545 has 12 divisors (see below), whose sum is σ = 9570756. Its totient is φ = 2944800.

The previous prime is 5521543. The next prime is 5521553. The reversal of 5521545 is 5451255.

5521545 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 1505529 = 2004^2 + 1227^2 .

It is not a de Polignac number, because 5521545 - 2¹ = 5521543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5521543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61306 + ... + 61395.

It is an arithmetic number, because the mean of its divisors is an integer number (797563).

Almost surely, 2^5521545 is an apocalyptic number.

It is an amenable number.

5521545 is a deficient number, since it is larger than the sum of its proper divisors (4049211).

5521545 is a wasteful number, since it uses less digits than its factorization.

5521545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122712 (or 122709 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 5521545 is about 2349.7967997255. The cubic root of 5521545 is about 176.7476054111.

The spelling of 5521545 in words is "five million, five hundred twenty-one thousand, five hundred forty-five".