85535055553 has 8 divisors (see below), whose sum is σ = 87359057280. Its totient is φ = 83711225040.

The previous prime is 85535055479. The next prime is 85535055581. The reversal of 85535055553 is 35555053558.

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

It is a cyclic number.

It is not a de Polignac number, because 85535055553 - 2⁹ = 85535055041 is a prime.

It is a super-2 number, since 2×85535055553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85535055497 and 85535055506.

It is not an unprimeable number, because it can be changed into a prime (85535055653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837318 + ... + 1883296.

It is an arithmetic number, because the mean of its divisors is an integer number (10919882160).

Almost surely, 2^85535055553 is an apocalyptic number.

It is an amenable number.

85535055553 is a deficient number, since it is larger than the sum of its proper divisors (1824001727).

85535055553 is a wasteful number, since it uses less digits than its factorization.

85535055553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85607.

The product of its (nonzero) digits is 5625000, while the sum is 49.

The spelling of 85535055553 in words is "eighty-five billion, five hundred thirty-five million, fifty-five thousand, five hundred fifty-three".