85236552 has 48 divisors (see below), whose sum is σ = 234025740. Its totient is φ = 28021248.

The previous prime is 85236467. The next prime is 85236553. The reversal of 85236552 is 25563258.

It is a happy number.

85236552 is a `hidden beast` number, since 85 + 23 + 6 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81974916 + 3261636 = 9054^2 + 1806^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85236553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853 + ... + 13364.

Almost surely, 2^85236552 is an apocalyptic number.

It is an amenable number.

85236552 is an abundant number, since it is smaller than the sum of its proper divisors (148789188).

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

85236552 is a wasteful number, since it uses less digits than its factorization.

85236552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16302 (or 16295 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 85236552 is about 9232.3643775579. The cubic root of 85236552 is about 440.0904634932.

The spelling of 85236552 in words is "eighty-five million, two hundred thirty-six thousand, five hundred fifty-two".