55628245 has 8 divisors (see below), whose sum is σ = 67599360. Its totient is φ = 43938960.

The previous prime is 55628231. The next prime is 55628273. The reversal of 55628245 is 54282655.

55628245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55628245 - 2¹³ = 55620053 is a prime.

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, 70021 + ... + 70810.

It is an arithmetic number, because the mean of its divisors is an integer number (8449920).

Almost surely, 2^55628245 is an apocalyptic number.

It is an amenable number.

55628245 is a deficient number, since it is larger than the sum of its proper divisors (11971115).

55628245 is a wasteful number, since it uses less digits than its factorization.

55628245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140915.

The product of its digits is 96000, while the sum is 37.

The square root of 55628245 is about 7458.4344872098. The cubic root of 55628245 is about 381.7377589412.

The spelling of 55628245 in words is "fifty-five million, six hundred twenty-eight thousand, two hundred forty-five".