855508050 has 144 divisors (see below), whose sum is σ = 2385550440. Its totient is φ = 219648000.

The previous prime is 855508021. The next prime is 855508063. The reversal of 855508050 is 50805558.

It can be written as a sum of positive squares in 12 ways, for example, as 78269409 + 777238641 = 8847^2 + 27879^2 .

It is a super-2 number, since 2×855508050² = 1463788047229605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 855507996 and 855508014.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1641790 + ... + 1642310.

Almost surely, 2^855508050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855508050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192775220).

855508050 is an abundant number, since it is smaller than the sum of its proper divisors (1530042390).

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

855508050 is a wasteful number, since it uses less digits than its factorization.

855508050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The square root of 855508050 is about 29249.0692159597. The cubic root of 855508050 is about 949.3099513397.

The spelling of 855508050 in words is "eight hundred fifty-five million, five hundred eight thousand, fifty".