55561574142577 has 8 divisors (see below), whose sum is σ = 55665872851680. Its totient is φ = 55457295329280.

The previous prime is 55561574142551. The next prime is 55561574142587. The reversal of 55561574142577 is 77524147516555.

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 55561574142577 - 2¹¹ = 55561574140529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55561574142587) 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, 622449 + ... + 10559857.

It is an arithmetic number, because the mean of its divisors is an integer number (6958234106460).

Almost surely, 2^{55561574142577} is an apocalyptic number.

It is an amenable number.

55561574142577 is a deficient number, since it is larger than the sum of its proper divisors (104298709103).

55561574142577 is an equidigital number, since it uses as much as digits as its factorization.

55561574142577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947903.

The product of its digits is 205800000, while the sum is 64.

The spelling of 55561574142577 in words is "fifty-five trillion, five hundred sixty-one billion, five hundred seventy-four million, one hundred forty-two thousand, five hundred seventy-seven".