85493153 has 4 divisors (see below), whose sum is σ = 90522180. Its totient is φ = 80464128.

The previous prime is 85493143. The next prime is 85493197. The reversal of 85493153 is 35139458.

It is a happy number.

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 74943649 + 10549504 = 8657^2 + 3248^2 .

It is not a de Polignac number, because 85493153 - 2⁴ = 85493137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85493113) 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, 2514488 + ... + 2514521.

It is an arithmetic number, because the mean of its divisors is an integer number (22630545).

Almost surely, 2^85493153 is an apocalyptic number.

It is an amenable number.

85493153 is a deficient number, since it is larger than the sum of its proper divisors (5029027).

85493153 is a wasteful number, since it uses less digits than its factorization.

85493153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029026.

The product of its digits is 64800, while the sum is 38.

The square root of 85493153 is about 9246.2507536839. The cubic root of 85493153 is about 440.5316455848.

The spelling of 85493153 in words is "eighty-five million, four hundred ninety-three thousand, one hundred fifty-three".