54240004433 has 4 divisors (see below), whose sum is σ = 54271968420. Its totient is φ = 54208040448.

The previous prime is 54240004421. The next prime is 54240004439. The reversal of 54240004433 is 33440004245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33440004245 = 5 ⋅6688000849.

It can be written as a sum of positive squares in 2 ways, for example, as 31326522049 + 22913482384 = 176993^2 + 151372^2 .

It is a cyclic number.

It is not a de Polignac number, because 54240004433 - 2¹⁰ = 54240003409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54240004396 and 54240004405.

It is not an unprimeable number, because it can be changed into a prime (54240004439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15979448 + ... + 15982841.

It is an arithmetic number, because the mean of its divisors is an integer number (13567992105).

Almost surely, 2^54240004433 is an apocalyptic number.

It is an amenable number.

54240004433 is a deficient number, since it is larger than the sum of its proper divisors (31963987).

54240004433 is a wasteful number, since it uses less digits than its factorization.

54240004433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963986.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 54240004433 its reverse (33440004245), we get a palindrome (87680008678).

The spelling of 54240004433 in words is "fifty-four billion, two hundred forty million, four thousand, four hundred thirty-three".