85449549 has 4 divisors (see below), whose sum is σ = 113932736. Its totient is φ = 56966364.

The previous prime is 85449527. The next prime is 85449587. The reversal of 85449549 is 94594458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85449549 - 2⁷ = 85449421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85449498 and 85449507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85449449) 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, 14241589 + ... + 14241594.

It is an arithmetic number, because the mean of its divisors is an integer number (28483184).

Almost surely, 2^85449549 is an apocalyptic number.

It is an amenable number.

85449549 is a deficient number, since it is larger than the sum of its proper divisors (28483187).

85449549 is a wasteful number, since it uses less digits than its factorization.

85449549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28483186.

The product of its digits is 1036800, while the sum is 48.

The square root of 85449549 is about 9243.8925242562. The cubic root of 85449549 is about 440.4567381884.

It can be divided in two parts, 854 and 49549, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 85449549 in words is "eighty-five million, four hundred forty-nine thousand, five hundred forty-nine".