55488916 has 24 divisors (see below), whose sum is σ = 112021056. Its totient is φ = 23557440.

The previous prime is 55488913. The next prime is 55488929. The reversal of 55488916 is 61988455.

55488916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55488913) 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 7 ways as a sum of consecutive naturals, for example, 6265 + ... + 12256.

It is an arithmetic number, because the mean of its divisors is an integer number (4667544).

Almost surely, 2^55488916 is an apocalyptic number.

It is an amenable number.

55488916 is an abundant number, since it is smaller than the sum of its proper divisors (56532140).

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

55488916 is a wasteful number, since it uses less digits than its factorization.

55488916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639 (or 18637 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 55488916 is about 7449.0882663585. The cubic root of 55488916 is about 381.4187866453.

The spelling of 55488916 in words is "fifty-five million, four hundred eighty-eight thousand, nine hundred sixteen".