855055446 has 32 divisors (see below), whose sum is σ = 1955439360. Its totient is φ = 244173216.

The previous prime is 855055433. The next prime is 855055447. The reversal of 855055446 is 644550558.

It is a super-2 number, since 2×855055446² = 1462239631468517832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 855055398 and 855055407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855055447) by changing a digit.

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, 99925 + ... + 108143.

It is an arithmetic number, because the mean of its divisors is an integer number (61107480).

Almost surely, 2^855055446 is an apocalyptic number.

855055446 is an abundant number, since it is smaller than the sum of its proper divisors (1100383914).

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

855055446 is a wasteful number, since it uses less digits than its factorization.

855055446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10708.

The product of its (nonzero) digits is 480000, while the sum is 42.

The square root of 855055446 is about 29241.3311256516. The cubic root of 855055446 is about 949.1425119357.

It can be divided in two parts, 85505 and 5446, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 855055446 in words is "eight hundred fifty-five million, fifty-five thousand, four hundred forty-six".