54141561409 has 4 divisors (see below), whose sum is σ = 58306296916. Its totient is φ = 49976825904.

The previous prime is 54141561379. The next prime is 54141561421. The reversal of 54141561409 is 90416514145.

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 2696517184 + 51445044225 = 51928^2 + 226815^2 .

It is a cyclic number.

It is not a de Polignac number, because 54141561409 - 2⁹ = 54141560897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54141561479) 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, 2082367734 + ... + 2082367759.

It is an arithmetic number, because the mean of its divisors is an integer number (14576574229).

Almost surely, 2^54141561409 is an apocalyptic number.

It is an amenable number.

54141561409 is a deficient number, since it is larger than the sum of its proper divisors (4164735507).

54141561409 is a wasteful number, since it uses less digits than its factorization.

54141561409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164735506.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 54141561409 in words is "fifty-four billion, one hundred forty-one million, five hundred sixty-one thousand, four hundred nine".