55541403311 has 4 divisors (see below), whose sum is σ = 55946815152. Its totient is φ = 55135991472.

The previous prime is 55541403289. The next prime is 55541403319. The reversal of 55541403311 is 11330414555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55541403311 - 2³⁰ = 54467661487 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 (55541403319) 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, 202705715 + ... + 202705988.

It is an arithmetic number, because the mean of its divisors is an integer number (13986703788).

Almost surely, 2^55541403311 is an apocalyptic number.

55541403311 is a deficient number, since it is larger than the sum of its proper divisors (405411841).

55541403311 is a wasteful number, since it uses less digits than its factorization.

55541403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405411840.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 55541403311 its reverse (11330414555), we get a palindrome (66871817866).

The spelling of 55541403311 in words is "fifty-five billion, five hundred forty-one million, four hundred three thousand, three hundred eleven".