55669177280 has 56 divisors (see below), whose sum is σ = 132671027520. Its totient is φ = 22249395200.

The previous prime is 55669177271. The next prime is 55669177327. The reversal of 55669177280 is 8277196655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322505 + ... + 464055.

Almost surely, 2^55669177280 is an apocalyptic number.

It is an amenable number.

55669177280 is an abundant number, since it is smaller than the sum of its proper divisors (77001850240).

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

55669177280 is a wasteful number, since it uses less digits than its factorization.

55669177280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142797 (or 142787 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 55669177280 in words is "fifty-five billion, six hundred sixty-nine million, one hundred seventy-seven thousand, two hundred eighty".