54405401311 has 4 divisors (see below), whose sum is σ = 54407330824. Its totient is φ = 54403471800.

The previous prime is 54405401299. The next prime is 54405401341. The reversal of 54405401311 is 11310450445.

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 54405401311 - 2⁵ = 54405401279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54405401311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405401341) 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, 921825 + ... + 979066.

It is an arithmetic number, because the mean of its divisors is an integer number (13601832706).

Almost surely, 2^54405401311 is an apocalyptic number.

54405401311 is a deficient number, since it is larger than the sum of its proper divisors (1929513).

54405401311 is a wasteful number, since it uses less digits than its factorization.

54405401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929512.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 54405401311 its reverse (11310450445), we get a palindrome (65715851756).

The spelling of 54405401311 in words is "fifty-four billion, four hundred five million, four hundred one thousand, three hundred eleven".