5511040 has 64 divisors (see below), whose sum is σ = 13464000. Its totient is φ = 2156544.

The previous prime is 5511029. The next prime is 5511041. The reversal of 5511040 is 401155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511041) 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, 50506 + ... + 50614.

It is an arithmetic number, because the mean of its divisors is an integer number (210375).

Almost surely, 2^5511040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6732000).

5511040 is an abundant number, since it is smaller than the sum of its proper divisors (7952960).

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

5511040 is a wasteful number, since it uses less digits than its factorization.

5511040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 5511040 is about 2347.5604358568. The cubic root of 5511040 is about 176.6354440294.

Adding to 5511040 its reverse (401155), we get a palindrome (5912195).

The spelling of 5511040 in words is "five million, five hundred eleven thousand, forty".