85503453 has 8 divisors (see below), whose sum is σ = 130291008. Its totient is φ = 48859104.

The previous prime is 85503437. The next prime is 85503511. The reversal of 85503453 is 35430558.

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

It is not a de Polignac number, because 85503453 - 2⁴ = 85503437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85503403) 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, 2035776 + ... + 2035817.

It is an arithmetic number, because the mean of its divisors is an integer number (16286376).

Almost surely, 2^85503453 is an apocalyptic number.

It is an amenable number.

85503453 is a deficient number, since it is larger than the sum of its proper divisors (44787555).

85503453 is a wasteful number, since it uses less digits than its factorization.

85503453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071603.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 85503453 is about 9246.8077194240. The cubic root of 85503453 is about 440.5493362559.

The spelling of 85503453 in words is "eighty-five million, five hundred three thousand, four hundred fifty-three".