5531418 has 12 divisors (see below), whose sum is σ = 11984778. Its totient is φ = 1843800.

The previous prime is 5531371. The next prime is 5531437. The reversal of 5531418 is 8141355.

It can be written as a sum of positive squares in only one way, i.e., 4422609 + 1108809 = 2103^2 + 1053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5531391 and 5531400.

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 5 ways as a sum of consecutive naturals, for example, 153633 + ... + 153668.

Almost surely, 2^5531418 is an apocalyptic number.

5531418 is an abundant number, since it is smaller than the sum of its proper divisors (6453360).

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

5531418 is a wasteful number, since it uses less digits than its factorization.

5531418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307309 (or 307306 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 5531418 is about 2351.8966814042. The cubic root of 5531418 is about 176.8528893520.

The spelling of 5531418 in words is "five million, five hundred thirty-one thousand, four hundred eighteen".