505545061623 has 32 divisors (see below), whose sum is σ = 778400609280. Its totient is φ = 285866357760.

The previous prime is 505545061613. The next prime is 505545061663. The reversal of 505545061623 is 326160545505.

It is not a de Polignac number, because 505545061623 - 2⁹ = 505545061111 is a prime.

It is a super-3 number, since 3×505545061623³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505545061613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22927638 + ... + 22949676.

It is an arithmetic number, because the mean of its divisors is an integer number (24325019040).

Almost surely, 2^505545061623 is an apocalyptic number.

505545061623 is a deficient number, since it is larger than the sum of its proper divisors (272855547657).

505545061623 is a wasteful number, since it uses less digits than its factorization.

505545061623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 505545061623 in words is "five hundred five billion, five hundred forty-five million, sixty-one thousand, six hundred twenty-three".