89906055 has 16 divisors (see below), whose sum is σ = 144244320. Its totient is φ = 47818368.

The previous prime is 89906039. The next prime is 89906083. The reversal of 89906055 is 55060998.

89906055 = 293² + 294² + ... + 665².

It is not a de Polignac number, because 89906055 - 2⁴ = 89906039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89905998 and 89906016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440 + ... + 13629.

It is an arithmetic number, because the mean of its divisors is an integer number (9015270).

Almost surely, 2^89906055 is an apocalyptic number.

89906055 is a deficient number, since it is larger than the sum of its proper divisors (54338265).

89906055 is a wasteful number, since it uses less digits than its factorization.

89906055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16450.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 89906055 is about 9481.8803514915. The cubic root of 89906055 is about 447.9844923815.

The spelling of 89906055 in words is "eighty-nine million, nine hundred six thousand, fifty-five".