54411133405551 has 16 divisors (see below), whose sum is σ = 80240396320224. Its totient is φ = 32578807526784.

The previous prime is 54411133405549. The next prime is 54411133405579. The reversal of 54411133405551 is 15550433111445.

It is not a de Polignac number, because 54411133405551 - 2¹ = 54411133405549 is a prime.

It is a super-2 number, since 2×54411133405551² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54411133405351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18853475136 + ... + 18853478021.

It is an arithmetic number, because the mean of its divisors is an integer number (5015024770014).

Almost surely, 2^{54411133405551} is an apocalyptic number.

54411133405551 is a deficient number, since it is larger than the sum of its proper divisors (25829262914673).

54411133405551 is a wasteful number, since it uses less digits than its factorization.

54411133405551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37706953210.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 54411133405551 its reverse (15550433111445), we get a palindrome (69961566516996).

The spelling of 54411133405551 in words is "fifty-four trillion, four hundred eleven billion, one hundred thirty-three million, four hundred five thousand, five hundred fifty-one".