55611100001 has 4 divisors (see below), whose sum is σ = 55649427504. Its totient is φ = 55572772500.

The previous prime is 55611099977. The next prime is 55611100007. The reversal of 55611100001 is 10000111655.

55611100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55611100001 - 2²⁶ = 55543991137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19161575 + ... + 19164476.

It is an arithmetic number, because the mean of its divisors is an integer number (13912356876).

Almost surely, 2^55611100001 is an apocalyptic number.

It is an amenable number.

55611100001 is a deficient number, since it is larger than the sum of its proper divisors (38327503).

55611100001 is a wasteful number, since it uses less digits than its factorization.

55611100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38327502.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 55611100001 its reverse (10000111655), we get a palindrome (65611211656).

The spelling of 55611100001 in words is "fifty-five billion, six hundred eleven million, one hundred thousand, one".