853305552 has 90 divisors (see below), whose sum is σ = 2624957426. Its totient is φ = 258572160.

The previous prime is 853305547. The next prime is 853305577. The reversal of 853305552 is 255503358.

It can be written as a sum of positive squares in only one way, i.e., 521482896 + 331822656 = 22836^2 + 18216^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7063 + ... + 41910.

Almost surely, 2^853305552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853305552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312478713).

853305552 is an abundant number, since it is smaller than the sum of its proper divisors (1771651874).

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

853305552 is a wasteful number, since it uses less digits than its factorization.

853305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49009 (or 48989 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 853305552 is about 29211.3942152715. The cubic root of 853305552 is about 948.4945878316.

The spelling of 853305552 in words is "eight hundred fifty-three million, three hundred five thousand, five hundred fifty-two".