85582553 has 8 divisors (see below), whose sum is σ = 97865472. Its totient is φ = 73313856.

The previous prime is 85582529. The next prime is 85582561. The reversal of 85582553 is 35528558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85582553 - 2¹² = 85578457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85582553.

It is not an unprimeable number, because it can be changed into a prime (85582583) 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, 18401 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (12233184).

Almost surely, 2^85582553 is an apocalyptic number.

It is an amenable number.

85582553 is a deficient number, since it is larger than the sum of its proper divisors (12282919).

85582553 is a wasteful number, since it uses less digits than its factorization.

85582553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111.

The product of its digits is 240000, while the sum is 41.

The square root of 85582553 is about 9251.0838824432. The cubic root of 85582553 is about 440.6851464128.

It can be divided in two parts, 8558 and 2553, that added together give a palindrome (11111).

The spelling of 85582553 in words is "eighty-five million, five hundred eighty-two thousand, five hundred fifty-three".