505554461 has 4 divisors (see below), whose sum is σ = 505600800. Its totient is φ = 505508124.

The previous prime is 505554457. The next prime is 505554481. The reversal of 505554461 is 164455505.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 164455505 = 5 ⋅32891101.

It is a cyclic number.

It is not a de Polignac number, because 505554461 - 2² = 505554457 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 (505554481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200 + ... + 31958.

It is an arithmetic number, because the mean of its divisors is an integer number (126400200).

Almost surely, 2^505554461 is an apocalyptic number.

It is an amenable number.

505554461 is a deficient number, since it is larger than the sum of its proper divisors (46339).

505554461 is a wasteful number, since it uses less digits than its factorization.

505554461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46338.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 505554461 is about 22484.5382652168. The cubic root of 505554461 is about 796.6287618347.

The spelling of 505554461 in words is "five hundred five million, five hundred fifty-four thousand, four hundred sixty-one".