85535453 has 4 divisors (see below), whose sum is σ = 87847260. Its totient is φ = 83223648.

The previous prime is 85535447. The next prime is 85535501. The reversal of 85535453 is 35453558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82500889 + 3034564 = 9083^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 85535453 - 2¹⁴ = 85519069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85535053) 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, 1155848 + ... + 1155921.

It is an arithmetic number, because the mean of its divisors is an integer number (21961815).

Almost surely, 2^85535453 is an apocalyptic number.

It is an amenable number.

85535453 is a deficient number, since it is larger than the sum of its proper divisors (2311807).

85535453 is a wasteful number, since it uses less digits than its factorization.

85535453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311806.

The product of its digits is 180000, while the sum is 38.

The square root of 85535453 is about 9248.5378844442. The cubic root of 85535453 is about 440.6042885022.

The spelling of 85535453 in words is "eighty-five million, five hundred thirty-five thousand, four hundred fifty-three".