85455238055 has 16 divisors (see below), whose sum is σ = 111880288800. Its totient is φ = 62142812160.

The previous prime is 85455238049. The next prime is 85455238061. The reversal of 85455238055 is 55083255458.

It is an interprime number because it is at equal distance from previous prime (85455238049) and next prime (85455238061).

It is not a de Polignac number, because 85455238055 - 2⁴ = 85455238039 is a prime.

It is a super-2 number, since 2×85455238055² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85455237994 and 85455238012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490391 + ... + 641399.

It is an arithmetic number, because the mean of its divisors is an integer number (6992518050).

Almost surely, 2^85455238055 is an apocalyptic number.

85455238055 is a deficient number, since it is larger than the sum of its proper divisors (26425050745).

85455238055 is a wasteful number, since it uses less digits than its factorization.

85455238055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161314.

The product of its (nonzero) digits is 4800000, while the sum is 50.

The spelling of 85455238055 in words is "eighty-five billion, four hundred fifty-five million, two hundred thirty-eight thousand, fifty-five".