55916584 has 8 divisors (see below), whose sum is σ = 104843610. Its totient is φ = 27958288.

The previous prime is 55916573. The next prime is 55916617. The reversal of 55916584 is 48561955.

It can be written as a sum of positive squares in only one way, i.e., 30008484 + 25908100 = 5478^2 + 5090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 55916584.

It is an unprimeable number.

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, 3494779 + ... + 3494794.

Almost surely, 2^55916584 is an apocalyptic number.

It is an amenable number.

55916584 is a deficient number, since it is larger than the sum of its proper divisors (48927026).

55916584 is a wasteful number, since it uses less digits than its factorization.

55916584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989579 (or 6989575 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 55916584 is about 7477.7392305429. The cubic root of 55916584 is about 382.3961789795.

The spelling of 55916584 in words is "fifty-five million, nine hundred sixteen thousand, five hundred eighty-four".