85588553 has 2 divisors, whose sum is σ = 85588554. Its totient is φ = 85588552.

The previous prime is 85588549. The next prime is 85588561. The reversal of 85588553 is 35588558.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84860944 + 727609 = 9212^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 85588553 - 2² = 85588549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85588498 and 85588507.

It is not a weakly prime, because it can be changed into another prime (85588513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42794276 + 42794277.

It is an arithmetic number, because the mean of its divisors is an integer number (42794277).

Almost surely, 2^85588553 is an apocalyptic number.

It is an amenable number.

85588553 is a deficient number, since it is larger than the sum of its proper divisors (1).

85588553 is an equidigital number, since it uses as much as digits as its factorization.

85588553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960000, while the sum is 47.

The square root of 85588553 is about 9251.4081630852. The cubic root of 85588553 is about 440.6954446531.

The spelling of 85588553 in words is "eighty-five million, five hundred eighty-eight thousand, five hundred fifty-three".