85653552 has 40 divisors (see below), whose sum is σ = 225985536. Its totient is φ = 27942976.

The previous prime is 85653523. The next prime is 85653553. The reversal of 85653552 is 25535658.

It is a self number, because there is not a number n which added to its sum of digits gives 85653552.

It is not an unprimeable number, because it can be changed into a prime (85653553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16728 + ... + 21239.

Almost surely, 2^85653552 is an apocalyptic number.

It is an amenable number.

85653552 is an abundant number, since it is smaller than the sum of its proper divisors (140331984).

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

85653552 is a wasteful number, since it uses less digits than its factorization.

85653552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38025 (or 38019 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 85653552 is about 9254.9204210517. The cubic root of 85653552 is about 440.8069763708.

The spelling of 85653552 in words is "eighty-five million, six hundred fifty-three thousand, five hundred fifty-two".