5581250 has 48 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 2070000.

The previous prime is 5581229. The next prime is 5581259. The reversal of 5581250 is 521855.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5581259) 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, 118727 + ... + 118773.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^5581250 is an apocalyptic number.

5581250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5581250 is an abundant number, since it is smaller than the sum of its proper divisors (5668030).

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

5581250 is an equidigital number, since it uses as much as digits as its factorization.

5581250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5581250 is about 2362.4669309855. The cubic root of 5581250 is about 177.3823858812.

The spelling of 5581250 in words is "five million, five hundred eighty-one thousand, two hundred fifty".