5533540 has 24 divisors (see below), whose sum is σ = 11669112. Its totient is φ = 2204160.

The previous prime is 5533537. The next prime is 5533543. The reversal of 5533540 is 453355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5533537) and next prime (5533543).

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 5494336 = 198^2 + 2344^2 .

It is not an unprimeable number, because it can be changed into a prime (5533543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6330 + ... + 7150.

It is an arithmetic number, because the mean of its divisors is an integer number (486213).

Almost surely, 2^5533540 is an apocalyptic number.

It is an amenable number.

5533540 is an abundant number, since it is smaller than the sum of its proper divisors (6135572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5533540 is a wasteful number, since it uses less digits than its factorization.

5533540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 5533540 is about 2352.3477634057. The cubic root of 5533540 is about 176.8755016280.

Adding to 5533540 its reverse (453355), we get a palindrome (5986895).

The spelling of 5533540 in words is "five million, five hundred thirty-three thousand, five hundred forty".