80550577553 has 8 divisors (see below), whose sum is σ = 82522167336. Its totient is φ = 78579318400.

The previous prime is 80550577511. The next prime is 80550577559. The reversal of 80550577553 is 35577505508.

It can be written as a sum of positive squares in 4 ways, for example, as 173791489 + 80376786064 = 13183^2 + 283508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80550577553 - 2¹² = 80550573457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80550577559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452423 + ... + 604803.

It is an arithmetic number, because the mean of its divisors is an integer number (10315270917).

Almost surely, 2^80550577553 is an apocalyptic number.

It is an amenable number.

80550577553 is a deficient number, since it is larger than the sum of its proper divisors (1971589783).

80550577553 is a wasteful number, since it uses less digits than its factorization.

80550577553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165315.

The product of its (nonzero) digits is 3675000, while the sum is 50.

The spelling of 80550577553 in words is "eighty billion, five hundred fifty million, five hundred seventy-seven thousand, five hundred fifty-three".