85504648 has 16 divisors (see below), whose sum is σ = 160650000. Its totient is φ = 42664656.

The previous prime is 85504633. The next prime is 85504649. The reversal of 85504648 is 84640558.

It is a super-2 number, since 2×85504648² = 14622089659207808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85504648.

It is not an unprimeable number, because it can be changed into a prime (85504649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (10040625).

Almost surely, 2^85504648 is an apocalyptic number.

It is an amenable number.

85504648 is a deficient number, since it is larger than the sum of its proper divisors (75145352).

85504648 is a wasteful number, since it uses less digits than its factorization.

85504648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21924 (or 21920 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 85504648 is about 9246.8723360929. The cubic root of 85504648 is about 440.5513886252.

The spelling of 85504648 in words is "eighty-five million, five hundred four thousand, six hundred forty-eight".