85453641 has 48 divisors (see below), whose sum is σ = 153543936. Its totient is φ = 44592768.

The previous prime is 85453637. The next prime is 85453663. The reversal of 85453641 is 14635458.

It is a happy number.

85453641 is a `hidden beast` number, since 8 + 5 + 4 + 5 + 3 + 641 = 666.

It is not a de Polignac number, because 85453641 - 2² = 85453637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85453596 and 85453605.

It is not an unprimeable number, because it can be changed into a prime (85453631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83851 + ... + 84863.

It is an arithmetic number, because the mean of its divisors is an integer number (3198832).

Almost surely, 2^85453641 is an apocalyptic number.

It is an amenable number.

85453641 is a deficient number, since it is larger than the sum of its proper divisors (68090295).

85453641 is a wasteful number, since it uses less digits than its factorization.

85453641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1139 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 85453641 is about 9244.1138569362. The cubic root of 85453641 is about 440.4637689265.

The spelling of 85453641 in words is "eighty-five million, four hundred fifty-three thousand, six hundred forty-one".