85653155 has 32 divisors (see below), whose sum is σ = 122757120. Its totient is φ = 56136960.

The previous prime is 85653149. The next prime is 85653167. The reversal of 85653155 is 55135658.

It is not a de Polignac number, because 85653155 - 2⁶ = 85653091 is a prime.

It is a super-2 number, since 2×85653155² = 14672925922908050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96122 + ... + 97008.

It is an arithmetic number, because the mean of its divisors is an integer number (3836160).

Almost surely, 2^85653155 is an apocalyptic number.

85653155 is a deficient number, since it is larger than the sum of its proper divisors (37103965).

85653155 is a wasteful number, since it uses less digits than its factorization.

85653155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 90000, while the sum is 38.

The square root of 85653155 is about 9254.8989729764. The cubic root of 85653155 is about 440.8062953302.

The spelling of 85653155 in words is "eighty-five million, six hundred fifty-three thousand, one hundred fifty-five".