5531000 has 32 divisors (see below), whose sum is σ = 12944880. Its totient is φ = 2212000.

The previous prime is 5530999. The next prime is 5531021. The reversal of 5531000 is 1355.

It is a super-2 number, since 2×5531000² = 61183922000000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766 + ... + 3765.

Almost surely, 2^5531000 is an apocalyptic number.

5531000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5531000 is an abundant number, since it is smaller than the sum of its proper divisors (7413880).

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

5531000 is a wasteful number, since it uses less digits than its factorization.

5531000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552 (or 5538 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 5531000 is about 2351.8078152774. The cubic root of 5531000 is about 176.8484344141.

Adding to 5531000 its reverse (1355), we get a palindrome (5532355).

The spelling of 5531000 in words is "five million, five hundred thirty-one thousand".