505556454061 has 8 divisors (see below), whose sum is σ = 520168549824. Its totient is φ = 491052998880.

The previous prime is 505556454001. The next prime is 505556454101. The reversal of 505556454061 is 160454655505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505556454061 - 2⁷ = 505556453933 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 (505556454001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27150705 + ... + 27169318.

It is an arithmetic number, because the mean of its divisors is an integer number (65021068728).

Almost surely, 2^505556454061 is an apocalyptic number.

It is an amenable number.

505556454061 is a deficient number, since it is larger than the sum of its proper divisors (14612095763).

505556454061 is a wasteful number, since it uses less digits than its factorization.

505556454061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54320291.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 505556454061 in words is "five hundred five billion, five hundred fifty-six million, four hundred fifty-four thousand, sixty-one".