55590984 has 24 divisors (see below), whose sum is σ = 150559110. Its totient is φ = 18530304.

The previous prime is 55590961. The next prime is 55591007. The reversal of 55590984 is 48909555.

55590984 is a `hidden beast` number, since 5 + 559 + 0 + 98 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55590961) and next prime (55591007).

It can be written as a sum of positive squares in only one way, i.e., 35070084 + 20520900 = 5922^2 + 4530^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385977 + ... + 386120.

Almost surely, 2^55590984 is an apocalyptic number.

It is an amenable number.

55590984 is an abundant number, since it is smaller than the sum of its proper divisors (94968126).

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

55590984 is a wasteful number, since it uses less digits than its factorization.

55590984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772109 (or 772102 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 55590984 is about 7455.9361585250. The cubic root of 55590984 is about 381.6525078386.

The spelling of 55590984 in words is "fifty-five million, five hundred ninety thousand, nine hundred eighty-four".