85535453559 has 8 divisors (see below), whose sum is σ = 114121190272. Its totient is φ = 56986676280.

The previous prime is 85535453557. The next prime is 85535453561. The reversal of 85535453559 is 95535453558.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85535453557) and next prime (85535453561).

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

It is not a de Polignac number, because 85535453559 - 2¹ = 85535453557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85535453499 and 85535453508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85535453557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234457 + ... + 9243714.

It is an arithmetic number, because the mean of its divisors is an integer number (14265148784).

Almost surely, 2^85535453559 is an apocalyptic number.

85535453559 is a deficient number, since it is larger than the sum of its proper divisors (28585736713).

85535453559 is a wasteful number, since it uses less digits than its factorization.

85535453559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18479717.

The product of its digits is 40500000, while the sum is 57.

Subtracting 85535453559 from its reverse (95535453558), we obtain a palindrome (9999999999).

The spelling of 85535453559 in words is "eighty-five billion, five hundred thirty-five million, four hundred fifty-three thousand, five hundred fifty-nine".