5555780 has 12 divisors (see below), whose sum is σ = 11667180. Its totient is φ = 2222304.

The previous prime is 5555777. The next prime is 5555807. The reversal of 5555780 is 875555.

It can be written as a sum of positive squares in 2 ways, for example, as 3147076 + 2408704 = 1774^2 + 1552^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555780.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138875 + ... + 138914.

It is an arithmetic number, because the mean of its divisors is an integer number (972265).

Almost surely, 2^5555780 is an apocalyptic number.

It is an amenable number.

5555780 is an abundant number, since it is smaller than the sum of its proper divisors (6111400).

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

5555780 is a wasteful number, since it uses less digits than its factorization.

5555780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277798 (or 277796 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 5555780 is about 2357.0702153309. The cubic root of 5555780 is about 177.1121465764.

The spelling of 5555780 in words is "five million, five hundred fifty-five thousand, seven hundred eighty".