55556207101 has 4 divisors (see below), whose sum is σ = 55572691104. Its totient is φ = 55539723100.

The previous prime is 55556207089. The next prime is 55556207143. The reversal of 55556207101 is 10170265555.

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 55556207101 - 2¹⁷ = 55556076029 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 (55556207171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8236945 + ... + 8243686.

It is an arithmetic number, because the mean of its divisors is an integer number (13893172776).

Almost surely, 2^55556207101 is an apocalyptic number.

It is an amenable number.

55556207101 is a deficient number, since it is larger than the sum of its proper divisors (16484003).

55556207101 is a wasteful number, since it uses less digits than its factorization.

55556207101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16484002.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 55556207101 in words is "fifty-five billion, five hundred fifty-six million, two hundred seven thousand, one hundred one".