5639550 has 96 divisors (see below), whose sum is σ = 16498944. Its totient is φ = 1248000.

The previous prime is 5639549. The next prime is 5639567. The reversal of 5639550 is 559365.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42985 + ... + 43115.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

Almost surely, 2^5639550 is an apocalyptic number.

5639550 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 5639550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8249472).

5639550 is an abundant number, since it is smaller than the sum of its proper divisors (10859394).

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

5639550 is a wasteful number, since it uses less digits than its factorization.

5639550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 5639550 is about 2374.7736734266. The cubic root of 5639550 is about 177.9978748221.

The spelling of 5639550 in words is "five million, six hundred thirty-nine thousand, five hundred fifty".