80555050554 has 16 divisors (see below), whose sum is σ = 175756474080. Its totient is φ = 24410621360.

The previous prime is 80555050531. The next prime is 80555050561. The reversal of 80555050554 is 45505055508.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610265469 + ... + 610265600.

It is an arithmetic number, because the mean of its divisors is an integer number (10984779630).

Almost surely, 2^80555050554 is an apocalyptic number.

80555050554 is an abundant number, since it is smaller than the sum of its proper divisors (95201423526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80555050554 is a wasteful number, since it uses less digits than its factorization.

80555050554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220531085.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 80555050554 in words is "eighty billion, five hundred fifty-five million, fifty thousand, five hundred fifty-four".