85558253 has 12 divisors (see below), whose sum is σ = 94738560. Its totient is φ = 77205480.

The previous prime is 85558247. The next prime is 85558303. The reversal of 85558253 is 35285558.

It is a de Polignac number, because none of the positive numbers 2^k-85558253 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 85558253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85558243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14276 + ... + 19362.

It is an arithmetic number, because the mean of its divisors is an integer number (7894880).

Almost surely, 2^85558253 is an apocalyptic number.

It is an amenable number.

85558253 is a deficient number, since it is larger than the sum of its proper divisors (9180307).

85558253 is a wasteful number, since it uses less digits than its factorization.

85558253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248 (or 5237 counting only the distinct ones).

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

The square root of 85558253 is about 9249.7704295836. The cubic root of 85558253 is about 440.6434336168.

The spelling of 85558253 in words is "eighty-five million, five hundred fifty-eight thousand, two hundred fifty-three".