85542053 has 4 divisors (see below), whose sum is σ = 87156108. Its totient is φ = 83928000.

The previous prime is 85542043. The next prime is 85542059. The reversal of 85542053 is 35024558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35024558 = 2 ⋅17512279.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 28494244 = 7553^2 + 5338^2 .

It is a cyclic number.

It is not a de Polignac number, because 85542053 - 2²⁰ = 84493477 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 (85542059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806948 + ... + 807053.

It is an arithmetic number, because the mean of its divisors is an integer number (21789027).

Almost surely, 2^85542053 is an apocalyptic number.

It is an amenable number.

85542053 is a deficient number, since it is larger than the sum of its proper divisors (1614055).

85542053 is a wasteful number, since it uses less digits than its factorization.

85542053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614054.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 85542053 is about 9248.8946907185. The cubic root of 85542053 is about 440.6156206980.

The spelling of 85542053 in words is "eighty-five million, five hundred forty-two thousand, fifty-three".