5555540 has 24 divisors (see below), whose sum is σ = 11727240. Its totient is φ = 2210688.

The previous prime is 5555527. The next prime is 5555567. The reversal of 5555540 is 455555.

5555540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 456976 + 5098564 = 676^2 + 2258^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (488635).

Almost surely, 2^5555540 is an apocalyptic number.

It is an amenable number.

5555540 is an abundant number, since it is smaller than the sum of its proper divisors (6171700).

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

5555540 is a wasteful number, since it uses less digits than its factorization.

5555540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 5555540 is about 2357.0193041212. The cubic root of 5555540 is about 177.1095962278.

The spelling of 5555540 in words is "five million, five hundred fifty-five thousand, five hundred forty".