55675565 has 32 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 38880000.

The previous prime is 55675559. The next prime is 55675591. The reversal of 55675565 is 56557655.

55675565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55675565 - 2⁸ = 55675309 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 31 ways as a sum of consecutive naturals, for example, 221690 + ... + 221940.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^55675565 is an apocalyptic number.

55675565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55675565 is a deficient number, since it is larger than the sum of its proper divisors (20166355).

55675565 is a wasteful number, since it uses less digits than its factorization.

55675565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 787500, while the sum is 44.

The square root of 55675565 is about 7461.6060603599. The cubic root of 55675565 is about 381.8459696244.

The spelling of 55675565 in words is "fifty-five million, six hundred seventy-five thousand, five hundred sixty-five".