54145405131 has 4 divisors (see below), whose sum is σ = 72193873512. Its totient is φ = 36096936752.

The previous prime is 54145405109. The next prime is 54145405133. The reversal of 54145405131 is 13150454145.

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 54145405131 - 2⁹ = 54145404619 is a prime.

It is a super-2 number, since 2×54145405131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54145405092 and 54145405101.

It is not an unprimeable number, because it can be changed into a prime (54145405133) 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 3 ways as a sum of consecutive naturals, for example, 9024234186 + ... + 9024234191.

It is an arithmetic number, because the mean of its divisors is an integer number (18048468378).

Almost surely, 2^54145405131 is an apocalyptic number.

54145405131 is a deficient number, since it is larger than the sum of its proper divisors (18048468381).

54145405131 is a wasteful number, since it uses less digits than its factorization.

54145405131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18048468380.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 54145405131 its reverse (13150454145), we get a palindrome (67295859276).

The spelling of 54145405131 in words is "fifty-four billion, one hundred forty-five million, four hundred five thousand, one hundred thirty-one".