85049953 has 4 divisors (see below), whose sum is σ = 87982740. Its totient is φ = 82117168.

The previous prime is 85049933. The next prime is 85049971. The reversal of 85049953 is 35994058.

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 35319249 + 49730704 = 5943^2 + 7052^2 .

It is a cyclic number.

It is not a de Polignac number, because 85049953 - 2⁹ = 85049441 is a prime.

It is a super-3 number, since 3×85049953³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85049933) 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, 1466350 + ... + 1466407.

It is an arithmetic number, because the mean of its divisors is an integer number (21995685).

Almost surely, 2^85049953 is an apocalyptic number.

It is an amenable number.

85049953 is a deficient number, since it is larger than the sum of its proper divisors (2932787).

85049953 is a wasteful number, since it uses less digits than its factorization.

85049953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932786.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 85049953 is about 9222.2531411798. The cubic root of 85049953 is about 439.7690816556.

The spelling of 85049953 in words is "eighty-five million, forty-nine thousand, nine hundred fifty-three".