55617366 has 16 divisors (see below), whose sum is σ = 127125504. Its totient is φ = 15890664.

The previous prime is 55617347. The next prime is 55617371. The reversal of 55617366 is 66371655.

55617366 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 7 ways as a sum of consecutive naturals, for example, 662070 + ... + 662153.

It is an arithmetic number, because the mean of its divisors is an integer number (7945344).

Almost surely, 2^55617366 is an apocalyptic number.

55617366 is an abundant number, since it is smaller than the sum of its proper divisors (71508138).

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

55617366 is a wasteful number, since it uses less digits than its factorization.

55617366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324235.

The product of its digits is 113400, while the sum is 39.

The square root of 55617366 is about 7457.7051430048. The cubic root of 55617366 is about 381.7128723281.

The spelling of 55617366 in words is "fifty-five million, six hundred seventeen thousand, three hundred sixty-six".