54140412213 has 12 divisors (see below), whose sum is σ = 78314385708. Its totient is φ = 36042115200.

The previous prime is 54140412203. The next prime is 54140412247. The reversal of 54140412213 is 31221404145.

54140412213 is a `hidden beast` number, since 5 + 41 + 404 + 1 + 2 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20575607364 + 33564804849 = 143442^2 + 183207^2 .

It is not a de Polignac number, because 54140412213 - 2⁴ = 54140412197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140412203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4284420 + ... + 4297037.

It is an arithmetic number, because the mean of its divisors is an integer number (6526198809).

Almost surely, 2^54140412213 is an apocalyptic number.

It is an amenable number.

54140412213 is a deficient number, since it is larger than the sum of its proper divisors (24173973495).

54140412213 is a wasteful number, since it uses less digits than its factorization.

54140412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582164 (or 8582161 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 54140412213 its reverse (31221404145), we get a palindrome (85361816358).

The spelling of 54140412213 in words is "fifty-four billion, one hundred forty million, four hundred twelve thousand, two hundred thirteen".