5558140 has 72 divisors (see below), whose sum is σ = 14182560. Its totient is φ = 1790208.

The previous prime is 5558123. The next prime is 5558143. The reversal of 5558140 is 418555.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5558099 and 5558108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558143) 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, 150202 + ... + 150238.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

Almost surely, 2^5558140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5558140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7091280).

5558140 is an abundant number, since it is smaller than the sum of its proper divisors (8624420).

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

5558140 is a wasteful number, since it uses less digits than its factorization.

5558140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5558140 is about 2357.5707836670. The cubic root of 5558140 is about 177.1372210932.

The spelling of 5558140 in words is "five million, five hundred fifty-eight thousand, one hundred forty".