5531100 has 72 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 1452480.

The previous prime is 5531089. The next prime is 5531107. The reversal of 5531100 is 11355.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5531100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30811 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (225680).

Almost surely, 2^5531100 is an apocalyptic number.

5531100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5531100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8124480).

5531100 is an abundant number, since it is smaller than the sum of its proper divisors (10717860).

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

5531100 is a wasteful number, since it uses less digits than its factorization.

5531100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 5531100 is about 2351.8290754219. The cubic root of 5531100 is about 176.8495002092.

Adding to 5531100 its reverse (11355), we get a palindrome (5542455).

It can be divided in two parts, 553 and 1100, that added together give a triangular number (1653 = T₅₇).

The spelling of 5531100 in words is "five million, five hundred thirty-one thousand, one hundred".