55495320 has 64 divisors (see below), whose sum is σ = 173733120. Its totient is φ = 14154624.

The previous prime is 55495289. The next prime is 55495331. The reversal of 55495320 is 2359455.

55495320 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 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 15 ways as a sum of consecutive naturals, for example, 7294 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (2714580).

Almost surely, 2^55495320 is an apocalyptic number.

It is an amenable number.

55495320 is an abundant number, since it is smaller than the sum of its proper divisors (118237800).

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

55495320 is a wasteful number, since it uses less digits than its factorization.

55495320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20144 (or 20140 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55495320 is about 7449.5181052200. The cubic root of 55495320 is about 381.4334593170.

The spelling of 55495320 in words is "fifty-five million, four hundred ninety-five thousand, three hundred twenty".