55880906 has 16 divisors (see below), whose sum is σ = 85514400. Its totient is φ = 27379248.

The previous prime is 55880861. The next prime is 55880917. The reversal of 55880906 is 60908855.

55880906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 51740 + ... + 52808.

It is an arithmetic number, because the mean of its divisors is an integer number (5344650).

Almost surely, 2^55880906 is an apocalyptic number.

55880906 is a deficient number, since it is larger than the sum of its proper divisors (29633494).

55880906 is a wasteful number, since it uses less digits than its factorization.

55880906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 55880906 is about 7475.3532358010. The cubic root of 55880906 is about 382.3148314160.

The spelling of 55880906 in words is "fifty-five million, eight hundred eighty thousand, nine hundred six".