55555555541 has 4 divisors (see below), whose sum is σ = 55575463584. Its totient is φ = 55535647500.

The previous prime is 55555555477. The next prime is 55555555543. The reversal of 55555555541 is 14555555555.

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 55555555541 - 2⁶ = 55555555477 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 55555555541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555555543) 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, 9949835 + ... + 9955416.

It is an arithmetic number, because the mean of its divisors is an integer number (13893865896).

Almost surely, 2^55555555541 is an apocalyptic number.

It is an amenable number.

55555555541 is a deficient number, since it is larger than the sum of its proper divisors (19908043).

55555555541 is a wasteful number, since it uses less digits than its factorization.

55555555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19908042.

The product of its digits is 7812500, while the sum is 50.

It can be divided in two parts, 5555555554 and 1, that added together give a palindrome (5555555555).

The spelling of 55555555541 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-one".