85495553 has 16 divisors (see below), whose sum is σ = 100718016. Its totient is φ = 71547840.

The previous prime is 85495549. The next prime is 85495559. The reversal of 85495553 is 35559458.

It is not a de Polignac number, because 85495553 - 2² = 85495549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85495559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77675 + ... + 78767.

It is an arithmetic number, because the mean of its divisors is an integer number (6294876).

Almost surely, 2^85495553 is an apocalyptic number.

It is an amenable number.

85495553 is a deficient number, since it is larger than the sum of its proper divisors (15222463).

85495553 is a wasteful number, since it uses less digits than its factorization.

85495553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its digits is 540000, while the sum is 44.

The square root of 85495553 is about 9246.3805351067. The cubic root of 85495553 is about 440.5357678099.

The spelling of 85495553 in words is "eighty-five million, four hundred ninety-five thousand, five hundred fifty-three".