55677277655 has 4 divisors (see below), whose sum is σ = 66812733192. Its totient is φ = 44541822120.

The previous prime is 55677277613. The next prime is 55677277681.

55677277655 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55677277655 - 2¹⁴ = 55677261271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567727761 + ... + 5567727770.

It is an arithmetic number, because the mean of its divisors is an integer number (16703183298).

Almost surely, 2^55677277655 is an apocalyptic number.

55677277655 is a deficient number, since it is larger than the sum of its proper divisors (11135455537).

55677277655 is a wasteful number, since it uses less digits than its factorization.

55677277655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135455536.

The product of its digits is 108045000, while the sum is 62.

The spelling of 55677277655 in words is "fifty-five billion, six hundred seventy-seven million, two hundred seventy-seven thousand, six hundred fifty-five".