55512408 has 32 divisors (see below), whose sum is σ = 158607360. Its totient is φ = 15860640.

The previous prime is 55512389. The next prime is 55512439. The reversal of 55512408 is 80421555.

55512408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 165048 + ... + 165383.

It is an arithmetic number, because the mean of its divisors is an integer number (4956480).

Almost surely, 2^55512408 is an apocalyptic number.

It is an amenable number.

55512408 is an abundant number, since it is smaller than the sum of its proper divisors (103094952).

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

55512408 is a wasteful number, since it uses less digits than its factorization.

55512408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330447 (or 330443 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 55512408 is about 7450.6649367691. The cubic root of 55512408 is about 381.4726053571.

The spelling of 55512408 in words is "fifty-five million, five hundred twelve thousand, four hundred eight".