5531020 has 48 divisors (see below), whose sum is σ = 13095936. Its totient is φ = 1944000.

The previous prime is 5530999. The next prime is 5531021. The reversal of 5531020 is 201355.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5530985 and 5531003.

It is not an unprimeable number, because it can be changed into a prime (5531021) 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, 6415 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (272832).

Almost surely, 2^5531020 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 5531020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547968).

5531020 is an abundant number, since it is smaller than the sum of its proper divisors (7564916).

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

5531020 is a wasteful number, since it uses less digits than its factorization.

5531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 5531020 is about 2351.8120673217. The cubic root of 5531020 is about 176.8486475742.

Adding to 5531020 its reverse (201355), we get a palindrome (5732375).

The spelling of 5531020 in words is "five million, five hundred thirty-one thousand, twenty".