85433655 has 16 divisors (see below), whose sum is σ = 137950560. Its totient is φ = 45145728.

The previous prime is 85433651. The next prime is 85433669. The reversal of 85433655 is 55633458.

It is not a de Polignac number, because 85433655 - 2² = 85433651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85433651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24492 + ... + 27761.

It is an arithmetic number, because the mean of its divisors is an integer number (8621910).

Almost surely, 2^85433655 is an apocalyptic number.

85433655 is a deficient number, since it is larger than the sum of its proper divisors (52516905).

85433655 is a wasteful number, since it uses less digits than its factorization.

85433655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52370.

The product of its digits is 216000, while the sum is 39.

The square root of 85433655 is about 9243.0327815063. The cubic root of 85433655 is about 440.4294275177.

The spelling of 85433655 in words is "eighty-five million, four hundred thirty-three thousand, six hundred fifty-five".