54551154123 has 24 divisors (see below), whose sum is σ = 83470718448. Its totient is φ = 34211953152.

The previous prime is 54551154121. The next prime is 54551154187. The reversal of 54551154123 is 32145115545.

54551154123 is a `hidden beast` number, since 5 + 45 + 51 + 1 + 541 + 23 = 666.

It is not a de Polignac number, because 54551154123 - 2¹ = 54551154121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54551154121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243540 + ... + 410382.

It is an arithmetic number, because the mean of its divisors is an integer number (3477946602).

Almost surely, 2^54551154123 is an apocalyptic number.

54551154123 is a deficient number, since it is larger than the sum of its proper divisors (28919564325).

54551154123 is a wasteful number, since it uses less digits than its factorization.

54551154123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169003 (or 169000 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

Adding to 54551154123 its reverse (32145115545), we get a palindrome (86696269668).

The spelling of 54551154123 in words is "fifty-four billion, five hundred fifty-one million, one hundred fifty-four thousand, one hundred twenty-three".