80555050553 has 4 divisors (see below), whose sum is σ = 80557648128. Its totient is φ = 80552452980.

The previous prime is 80555050531. The next prime is 80555050561. The reversal of 80555050553 is 35505055508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80555050553 - 2⁸ = 80555050297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80555050553.

It is not an unprimeable number, because it can be changed into a prime (80555059553) 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, 1251701 + ... + 1314482.

It is an arithmetic number, because the mean of its divisors is an integer number (20139412032).

Almost surely, 2^80555050553 is an apocalyptic number.

It is an amenable number.

80555050553 is a deficient number, since it is larger than the sum of its proper divisors (2597575).

80555050553 is a wasteful number, since it uses less digits than its factorization.

80555050553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597574.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 80555050553 in words is "eighty billion, five hundred fifty-five million, fifty thousand, five hundred fifty-three".