55691106 has 16 divisors (see below), whose sum is σ = 113973024. Its totient is φ = 18131904.

The previous prime is 55691093. The next prime is 55691117. The reversal of 55691106 is 60119655.

55691106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 107671 + ... + 108186.

It is an arithmetic number, because the mean of its divisors is an integer number (7123314).

Almost surely, 2^55691106 is an apocalyptic number.

55691106 is an abundant number, since it is smaller than the sum of its proper divisors (58281918).

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

55691106 is a wasteful number, since it uses less digits than its factorization.

55691106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215905.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 55691106 is about 7462.6473854792. The cubic root of 55691106 is about 381.8814951800.

The spelling of 55691106 in words is "fifty-five million, six hundred ninety-one thousand, one hundred six".