85549544 has 8 divisors (see below), whose sum is σ = 160405410. Its totient is φ = 42774768.

The previous prime is 85549543. The next prime is 85549547. The reversal of 85549544 is 44594558.

It can be written as a sum of positive squares in only one way, i.e., 60248644 + 25300900 = 7762^2 + 5030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 85549495 and 85549504.

It is not an unprimeable number, because it can be changed into a prime (85549543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5346839 + ... + 5346854.

Almost surely, 2^85549544 is an apocalyptic number.

It is an amenable number.

85549544 is a deficient number, since it is larger than the sum of its proper divisors (74855866).

85549544 is a wasteful number, since it uses less digits than its factorization.

85549544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693699 (or 10693695 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 85549544 is about 9249.2996491626. The cubic root of 85549544 is about 440.6284820341.

The spelling of 85549544 in words is "eighty-five million, five hundred forty-nine thousand, five hundred forty-four".