5561250 has 40 divisors (see below), whose sum is σ = 13908048. Its totient is φ = 1482000.

The previous prime is 5561221. The next prime is 5561263. The reversal of 5561250 is 521655.

It is a self number, because there is not a number n which added to its sum of digits gives 5561250.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3009 + ... + 4491.

Almost surely, 2^5561250 is an apocalyptic number.

5561250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6954024).

5561250 is an abundant number, since it is smaller than the sum of its proper divisors (8346798).

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

5561250 is a wasteful number, since it uses less digits than its factorization.

5561250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5561250 is about 2358.2302686549. The cubic root of 5561250 is about 177.1702533690.

The spelling of 5561250 in words is "five million, five hundred sixty-one thousand, two hundred fifty".