855110550 has 96 divisors (see below), whose sum is σ = 2445414912. Its totient is φ = 193697280.

The previous prime is 855110467. The next prime is 855110567. The reversal of 855110550 is 55011558.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115047 + ... + 122253.

It is an arithmetic number, because the mean of its divisors is an integer number (25473072).

Almost surely, 2^855110550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855110550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222707456).

855110550 is an abundant number, since it is smaller than the sum of its proper divisors (1590304362).

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

855110550 is a wasteful number, since it uses less digits than its factorization.

855110550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342 (or 7337 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 855110550 is about 29242.2733384393. The cubic root of 855110550 is about 949.1629006430.

The spelling of 855110550 in words is "eight hundred fifty-five million, one hundred ten thousand, five hundred fifty".