55506655601 has 4 divisors (see below), whose sum is σ = 55586984304. Its totient is φ = 55426326900.

The previous prime is 55506655571. The next prime is 55506655639. The reversal of 55506655601 is 10655660555.

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 55506655601 - 2¹⁴ = 55506639217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55506655691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40163315 + ... + 40164696.

It is an arithmetic number, because the mean of its divisors is an integer number (13896746076).

Almost surely, 2^55506655601 is an apocalyptic number.

It is an amenable number.

55506655601 is a deficient number, since it is larger than the sum of its proper divisors (80328703).

55506655601 is an equidigital number, since it uses as much as digits as its factorization.

55506655601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80328702.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55506655601 in words is "fifty-five billion, five hundred six million, six hundred fifty-five thousand, six hundred one".