55671035573477 has 4 divisors (see below), whose sum is σ = 55887654389196. Its totient is φ = 55454416757760.

The previous prime is 55671035573471. The next prime is 55671035573521. The reversal of 55671035573477 is 77437553017655.

It is a happy number.

55671035573477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43256060840356 + 12414974733121 = 6576934^2 + 3523489^2 .

It is a cyclic number.

It is not a de Polignac number, because 55671035573477 - 2³² = 55666740606181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55671035573471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108309407474 + ... + 108309407987.

It is an arithmetic number, because the mean of its divisors is an integer number (13971913597299).

Almost surely, 2^{55671035573477} is an apocalyptic number.

It is an amenable number.

55671035573477 is a deficient number, since it is larger than the sum of its proper divisors (216618815719).

55671035573477 is a wasteful number, since it uses less digits than its factorization.

55671035573477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216618815718.

The product of its (nonzero) digits is 324135000, while the sum is 65.

The spelling of 55671035573477 in words is "fifty-five trillion, six hundred seventy-one billion, thirty-five million, five hundred seventy-three thousand, four hundred seventy-seven".