505550049997 has 8 divisors (see below), whose sum is σ = 509543872992. Its totient is φ = 501558267600.

The previous prime is 505550049923. The next prime is 505550050007. The reversal of 505550049997 is 799940055505.

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 505550049997 - 2¹⁹ = 505549525709 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 (505550749997) 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, 10779 + ... + 1005592.

It is an arithmetic number, because the mean of its divisors is an integer number (63692984124).

Almost surely, 2^505550049997 is an apocalyptic number.

It is an amenable number.

505550049997 is a deficient number, since it is larger than the sum of its proper divisors (3993822995).

505550049997 is a wasteful number, since it uses less digits than its factorization.

505550049997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020299.

The product of its (nonzero) digits is 12757500, while the sum is 58.

The spelling of 505550049997 in words is "five hundred five billion, five hundred fifty million, forty-nine thousand, nine hundred ninety-seven".