55612664872777 has 4 divisors (see below), whose sum is σ = 56905982660560. Its totient is φ = 54319347084996.

The previous prime is 55612664872741. The next prime is 55612664872789. The reversal of 55612664872777 is 77727846621655.

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 55612664872777 - 2¹¹ = 55612664870729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55612664372777) 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, 646658893827 + ... + 646658893912.

It is an arithmetic number, because the mean of its divisors is an integer number (14226495665140).

Almost surely, 2^{55612664872777} is an apocalyptic number.

It is an amenable number.

55612664872777 is a deficient number, since it is larger than the sum of its proper divisors (1293317787783).

55612664872777 is a wasteful number, since it uses less digits than its factorization.

55612664872777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293317787782.

The product of its digits is 1659571200, while the sum is 73.

The spelling of 55612664872777 in words is "fifty-five trillion, six hundred twelve billion, six hundred sixty-four million, eight hundred seventy-two thousand, seven hundred seventy-seven".