82575550555 has 4 divisors (see below), whose sum is σ = 99090660672. Its totient is φ = 66060440440.

The previous prime is 82575550553. The next prime is 82575550573. The reversal of 82575550555 is 55505557528.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82575550555 - 2¹ = 82575550553 is a prime.

It is a super-2 number, since 2×82575550555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82575550553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8257555051 + ... + 8257555060.

It is an arithmetic number, because the mean of its divisors is an integer number (24772665168).

Almost surely, 2^82575550555 is an apocalyptic number.

82575550555 is a deficient number, since it is larger than the sum of its proper divisors (16515110117).

82575550555 is a wasteful number, since it uses less digits than its factorization.

82575550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515110116.

The product of its (nonzero) digits is 8750000, while the sum is 52.

The spelling of 82575550555 in words is "eighty-two billion, five hundred seventy-five million, five hundred fifty thousand, five hundred fifty-five".