54542624545 has 4 divisors (see below), whose sum is σ = 65451149460. Its totient is φ = 43634099632.

The previous prime is 54542624503. The next prime is 54542624573.

It is a happy number.

54542624545 is nontrivially palindromic in base 10.

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 12488509504 + 42054115041 = 111752^2 + 205071^2 .

It is a cyclic number.

It is not a de Polignac number, because 54542624545 - 2¹⁵ = 54542591777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54542624495 and 54542624504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5454262450 + ... + 5454262459.

It is an arithmetic number, because the mean of its divisors is an integer number (16362787365).

Almost surely, 2^54542624545 is an apocalyptic number.

It is an amenable number.

54542624545 is a deficient number, since it is larger than the sum of its proper divisors (10908524915).

54542624545 is a wasteful number, since it uses less digits than its factorization.

54542624545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908524914.

The product of its digits is 3840000, while the sum is 46.

Adding to 54542624545 its product of digits (3840000), we get a palindrome (54546464545).

The spelling of 54542624545 in words is "fifty-four billion, five hundred forty-two million, six hundred twenty-four thousand, five hundred forty-five".