55005584 has 10 divisors (see below), whose sum is σ = 106573350. Its totient is φ = 27502784.

The previous prime is 55005583. The next prime is 55005623. The reversal of 55005584 is 48550055.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 5161984 = 7060^2 + 2272^2 .

It is a super-2 number, since 2×55005584² = 6051228542362112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55005584.

It is not an unprimeable number, because it can be changed into a prime (55005583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718909 + ... + 1718940.

It is an arithmetic number, because the mean of its divisors is an integer number (10657335).

Almost surely, 2^55005584 is an apocalyptic number.

It is an amenable number.

55005584 is a deficient number, since it is larger than the sum of its proper divisors (51567766).

55005584 is a wasteful number, since it uses less digits than its factorization.

55005584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437857 (or 3437851 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55005584 is about 7416.5749507438. The cubic root of 55005584 is about 380.3081157537.

The spelling of 55005584 in words is "fifty-five million, five thousand, five hundred eighty-four".