5531890 has 32 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 1750464.

The previous prime is 5531887. The next prime is 5531893. The reversal of 5531890 is 981355.

It is an interprime number because it is at equal distance from previous prime (5531887) and next prime (5531893).

It is not an unprimeable number, because it can be changed into a prime (5531893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 3949.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^5531890 is an apocalyptic number.

5531890 is an abundant number, since it is smaller than the sum of its proper divisors (6725390).

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

5531890 is a wasteful number, since it uses less digits than its factorization.

5531890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5531890 is about 2351.9970238076. The cubic root of 5531890 is about 176.8579195383.

The spelling of 5531890 in words is "five million, five hundred thirty-one thousand, eight hundred ninety".