5561238 has 16 divisors (see below), whose sum is σ = 11148480. Its totient is φ = 1849416.

The previous prime is 5561221. The next prime is 5561263. The reversal of 5561238 is 8321655.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (696780).

Almost surely, 2^5561238 is an apocalyptic number.

5561238 is an abundant number, since it is smaller than the sum of its proper divisors (5587242).

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

5561238 is a wasteful number, since it uses less digits than its factorization.

5561238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171.

The product of its digits is 7200, while the sum is 30.

The square root of 5561238 is about 2358.2277243727. The cubic root of 5561238 is about 177.1701259369.

The spelling of 5561238 in words is "five million, five hundred sixty-one thousand, two hundred thirty-eight".