83556055055055 has 16 divisors (see below), whose sum is σ = 145843296096384. Its totient is φ = 40512026693280.

The previous prime is 83556055055051. The next prime is 83556055055117. The reversal of 83556055055055 is 55055055065538.

It is not a de Polignac number, because 83556055055055 - 2² = 83556055055051 is a prime.

It is a super-2 number, since 2×83556055055055² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83556055054986 and 83556055055004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83556055055051) 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, 253200166669 + ... + 253200166998.

It is an arithmetic number, because the mean of its divisors is an integer number (9115206006024).

Almost surely, 2^{83556055055055} is an apocalyptic number.

83556055055055 is a deficient number, since it is larger than the sum of its proper divisors (62287241041329).

83556055055055 is a wasteful number, since it uses less digits than its factorization.

83556055055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506400333686.

The product of its (nonzero) digits is 56250000, while the sum is 57.

The spelling of 83556055055055 in words is "eighty-three trillion, five hundred fifty-six billion, fifty-five million, fifty-five thousand, fifty-five".