899555055 has 64 divisors (see below), whose sum is σ = 1737719808. Its totient is φ = 388644480.

The previous prime is 899555003. The next prime is 899555081. The reversal of 899555055 is 550555998.

It is not a de Polignac number, because 899555055 - 2⁶ = 899554991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 899554989 and 899555007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136752 + ... + 143178.

It is an arithmetic number, because the mean of its divisors is an integer number (27151872).

Almost surely, 2^899555055 is an apocalyptic number.

899555055 is a deficient number, since it is larger than the sum of its proper divisors (838164753).

899555055 is a wasteful number, since it uses less digits than its factorization.

899555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516.

The product of its (nonzero) digits is 2025000, while the sum is 51.

The square root of 899555055 is about 29992.5833332176. The cubic root of 899555055 is about 965.3302510917.

The spelling of 899555055 in words is "eight hundred ninety-nine million, five hundred fifty-five thousand, fifty-five".