50505554999990 has 32 divisors (see below), whose sum is σ = 91151026881984. Its totient is φ = 20148673691520.

The previous prime is 50505554999981. The next prime is 50505555000023. The reversal of 50505554999990 is 9999945550505.

It is a super-2 number, since 2×50505554999990² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29363600 + ... + 31035980.

It is an arithmetic number, because the mean of its divisors is an integer number (2848469590062).

Almost surely, 2^{50505554999990} is an apocalyptic number.

50505554999990 is a deficient number, since it is larger than the sum of its proper divisors (40645471881994).

50505554999990 is a wasteful number, since it uses less digits than its factorization.

50505554999990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680392.

The product of its (nonzero) digits is 738112500, while the sum is 74.

The spelling of 50505554999990 in words is "fifty trillion, five hundred five billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred ninety".