55984311 has 32 divisors (see below), whose sum is σ = 85962240. Its totient is φ = 35985600.

The previous prime is 55984309. The next prime is 55984343. The reversal of 55984311 is 11348955.

55984311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55984311 - 2¹ = 55984309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55984351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113776 + ... + 114266.

It is an arithmetic number, because the mean of its divisors is an integer number (2686320).

Almost surely, 2^55984311 is an apocalyptic number.

55984311 is a deficient number, since it is larger than the sum of its proper divisors (29977929).

55984311 is a wasteful number, since it uses less digits than its factorization.

55984311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 638 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 55984311 is about 7482.2664347108. The cubic root of 55984311 is about 382.5505046729.

The spelling of 55984311 in words is "fifty-five million, nine hundred eighty-four thousand, three hundred eleven".