505364055541 has 4 divisors (see below), whose sum is σ = 506047904800. Its totient is φ = 504680206284.

The previous prime is 505364055481. The next prime is 505364055551. The reversal of 505364055541 is 145550463505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505364055541 - 2⁹ = 505364055029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505364055551) 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, 341923521 + ... + 341924998.

It is an arithmetic number, because the mean of its divisors is an integer number (126511976200).

Almost surely, 2^505364055541 is an apocalyptic number.

It is an amenable number.

505364055541 is a deficient number, since it is larger than the sum of its proper divisors (683849259).

505364055541 is an equidigital number, since it uses as much as digits as its factorization.

505364055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683849258.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 505364055541 in words is "five hundred five billion, three hundred sixty-four million, fifty-five thousand, five hundred forty-one".