85499455 has 4 divisors (see below), whose sum is σ = 102599352. Its totient is φ = 68399560.

The previous prime is 85499423. The next prime is 85499461. The reversal of 85499455 is 55499458.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85499455 - 2⁵ = 85499423 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85499399 and 85499408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8549941 + ... + 8549950.

It is an arithmetic number, because the mean of its divisors is an integer number (25649838).

Almost surely, 2^85499455 is an apocalyptic number.

85499455 is a deficient number, since it is larger than the sum of its proper divisors (17099897).

85499455 is a wasteful number, since it uses less digits than its factorization.

85499455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17099896.

The product of its digits is 1296000, while the sum is 49.

The square root of 85499455 is about 9246.5915341817. The cubic root of 85499455 is about 440.5424696961.

The spelling of 85499455 in words is "eighty-five million, four hundred ninety-nine thousand, four hundred fifty-five".