85653420 has 48 divisors (see below), whose sum is σ = 245414400. Its totient is φ = 22309056.

The previous prime is 85653419. The next prime is 85653431. The reversal of 85653420 is 2435658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14020 + ... + 19179.

It is an arithmetic number, because the mean of its divisors is an integer number (5112800).

Almost surely, 2^85653420 is an apocalyptic number.

It is an amenable number.

85653420 is an abundant number, since it is smaller than the sum of its proper divisors (159760980).

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

85653420 is a wasteful number, since it uses less digits than its factorization.

85653420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33254 (or 33252 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 85653420 is about 9254.9132897073. The cubic root of 85653420 is about 440.8067499293.

The spelling of 85653420 in words is "eighty-five million, six hundred fifty-three thousand, four hundred twenty".