55561574142677 has 8 divisors (see below), whose sum is σ = 57977577663936. Its totient is φ = 53145594196992.

The previous prime is 55561574142647. The next prime is 55561574142751. The reversal of 55561574142677 is 77624147516555.

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 55561574142677 - 2⁸ = 55561574142421 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 (55561574142647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991148 + ... + 10587989.

It is an arithmetic number, because the mean of its divisors is an integer number (7247197207992).

Almost surely, 2^{55561574142677} is an apocalyptic number.

It is an amenable number.

55561574142677 is a deficient number, since it is larger than the sum of its proper divisors (2416003521259).

55561574142677 is a wasteful number, since it uses less digits than its factorization.

55561574142677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787787.

The product of its digits is 246960000, while the sum is 65.

The spelling of 55561574142677 in words is "fifty-five trillion, five hundred sixty-one billion, five hundred seventy-four million, one hundred forty-two thousand, six hundred seventy-seven".