54215442441 has 36 divisors (see below), whose sum is σ = 87511605012. Its totient is φ = 32227103232.

The previous prime is 54215442353. The next prime is 54215442443. The reversal of 54215442441 is 14424451245.

54215442441 is a `hidden beast` number, since 5 + 42 + 154 + 424 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38447366400 + 15768076041 = 196080^2 + 125571^2 .

It is not a de Polignac number, because 54215442441 - 2¹⁸ = 54215180297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54215442396 and 54215442405.

It is not an unprimeable number, because it can be changed into a prime (54215442443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 435556 + ... + 546021.

It is an arithmetic number, because the mean of its divisors is an integer number (2430877917).

Almost surely, 2^54215442441 is an apocalyptic number.

54215442441 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54215442441 is a deficient number, since it is larger than the sum of its proper divisors (33296162571).

54215442441 is a wasteful number, since it uses less digits than its factorization.

54215442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981638 (or 981616 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

Adding to 54215442441 its reverse (14424451245), we get a palindrome (68639893686).

The spelling of 54215442441 in words is "fifty-four billion, two hundred fifteen million, four hundred forty-two thousand, four hundred forty-one".