55550688 has 48 divisors (see below), whose sum is σ = 146417040. Its totient is φ = 18441216.

The previous prime is 55550641. The next prime is 55550701. The reversal of 55550688 is 88605555.

55550688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25548 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (3050355).

Almost surely, 2^55550688 is an apocalyptic number.

It is an amenable number.

55550688 is an abundant number, since it is smaller than the sum of its proper divisors (90866352).

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

55550688 is a wasteful number, since it uses less digits than its factorization.

55550688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 55550688 is about 7453.2333922936. The cubic root of 55550688 is about 381.5602699386.

The spelling of 55550688 in words is "fifty-five million, five hundred fifty thousand, six hundred eighty-eight".