55585044 has 36 divisors (see below), whose sum is σ = 140984116. Its totient is φ = 18465408.

The previous prime is 55585027. The next prime is 55585069. The reversal of 55585044 is 44058555.

It can be written as a sum of positive squares in 2 ways, for example, as 6051600 + 49533444 = 2460^2 + 7038^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8802 + ... + 13734.

Almost surely, 2^55585044 is an apocalyptic number.

It is an amenable number.

55585044 is an abundant number, since it is smaller than the sum of its proper divisors (85399072).

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

55585044 is a wasteful number, since it uses less digits than its factorization.

55585044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 55585044 is about 7455.5378075629. The cubic root of 55585044 is about 381.6389139278.

The spelling of 55585044 in words is "fifty-five million, five hundred eighty-five thousand, forty-four".