85335486553 has 2 divisors, whose sum is σ = 85335486554. Its totient is φ = 85335486552.

The previous prime is 85335486547. The next prime is 85335486563. The reversal of 85335486553 is 35568453358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68671774809 + 16663711744 = 262053^2 + 129088^2 .

It is a cyclic number.

It is not a de Polignac number, because 85335486553 - 2⁵ = 85335486521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85335486494 and 85335486503.

It is not a weakly prime, because it can be changed into another prime (85335486563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42667743276 + 42667743277.

It is an arithmetic number, because the mean of its divisors is an integer number (42667743277).

Almost surely, 2^85335486553 is an apocalyptic number.

It is an amenable number.

85335486553 is a deficient number, since it is larger than the sum of its proper divisors (1).

85335486553 is an equidigital number, since it uses as much as digits as its factorization.

85335486553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920000, while the sum is 55.

The spelling of 85335486553 in words is "eighty-five billion, three hundred thirty-five million, four hundred eighty-six thousand, five hundred fifty-three".