85203552 has 144 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 23853312.

The previous prime is 85203551. The next prime is 85203553. The reversal of 85203552 is 25530258.

It is an interprime number because it is at equal distance from previous prime (85203551) and next prime (85203553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85203551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277383 + ... + 277689.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^85203552 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 85203552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132723360).

85203552 is an abundant number, since it is smaller than the sum of its proper divisors (180243168).

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

85203552 is a wasteful number, since it uses less digits than its factorization.

85203552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 85203552 is about 9230.5770133833. The cubic root of 85203552 is about 440.0336613366.

The spelling of 85203552 in words is "eighty-five million, two hundred three thousand, five hundred fifty-two".