5531545 has 16 divisors (see below), whose sum is σ = 7153920. Its totient is φ = 4090624.

The previous prime is 5531531. The next prime is 5531549. The reversal of 5531545 is 5451355.

It is a cyclic number.

It is not a de Polignac number, because 5531545 - 2¹¹ = 5529497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5531549) 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, 4464 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (447120).

Almost surely, 2^5531545 is an apocalyptic number.

It is an amenable number.

5531545 is a deficient number, since it is larger than the sum of its proper divisors (1622375).

5531545 is a wasteful number, since it uses less digits than its factorization.

5531545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its digits is 7500, while the sum is 28.

The square root of 5531545 is about 2351.9236807346. The cubic root of 5531545 is about 176.8542428413.

The spelling of 5531545 in words is "five million, five hundred thirty-one thousand, five hundred forty-five".