55555004 has 24 divisors (see below), whose sum is σ = 99063888. Its totient is φ = 27256320.

The previous prime is 55555001. The next prime is 55555009. The reversal of 55555004 is 40055555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50282 + ... + 51374.

It is an arithmetic number, because the mean of its divisors is an integer number (4127662).

Almost surely, 2^55555004 is an apocalyptic number.

It is an amenable number.

55555004 is a deficient number, since it is larger than the sum of its proper divisors (43508884).

55555004 is a wasteful number, since it uses less digits than its factorization.

55555004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1323 counting only the distinct ones).

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

The square root of 55555004 is about 7453.5229254360. The cubic root of 55555004 is about 381.5701514333.

The spelling of 55555004 in words is "fifty-five million, five hundred fifty-five thousand, four".