85055663 has 8 divisors (see below), whose sum is σ = 106043520. Its totient is φ = 66277080.

The previous prime is 85055653. The next prime is 85055669. The reversal of 85055663 is 36655058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85055663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85055669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552233 + ... + 552386.

It is an arithmetic number, because the mean of its divisors is an integer number (13255440).

Almost surely, 2^85055663 is an apocalyptic number.

85055663 is a deficient number, since it is larger than the sum of its proper divisors (20987857).

85055663 is a wasteful number, since it uses less digits than its factorization.

85055663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104637.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 85055663 is about 9222.5627132593. The cubic root of 85055663 is about 439.7789230299.

The spelling of 85055663 in words is "eighty-five million, fifty-five thousand, six hundred sixty-three".