54432105545 has 4 divisors (see below), whose sum is σ = 65318526660. Its totient is φ = 43545684432.

The previous prime is 54432105487. The next prime is 54432105547. The reversal of 54432105545 is 54550123445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10479821641 + 43952283904 = 102371^2 + 209648^2 .

It is a cyclic number.

It is not a de Polignac number, because 54432105545 - 2¹⁰ = 54432104521 is a prime.

It is a super-2 number, since 2×54432105545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54432105499 and 54432105508.

It is not an unprimeable number, because it can be changed into a prime (54432105547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5443210550 + ... + 5443210559.

It is an arithmetic number, because the mean of its divisors is an integer number (16329631665).

Almost surely, 2^54432105545 is an apocalyptic number.

It is an amenable number.

54432105545 is a deficient number, since it is larger than the sum of its proper divisors (10886421115).

54432105545 is a wasteful number, since it uses less digits than its factorization.

54432105545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886421114.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 54432105545 in words is "fifty-four billion, four hundred thirty-two million, one hundred five thousand, five hundred forty-five".