50443351555 has 4 divisors (see below), whose sum is σ = 60532021872. Its totient is φ = 40354681240.

The previous prime is 50443351537. The next prime is 50443351601. The reversal of 50443351555 is 55515334405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50443351555 - 2¹⁵ = 50443318787 is a prime.

It is a super-2 number, since 2×50443351555² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044335151 + ... + 5044335160.

It is an arithmetic number, because the mean of its divisors is an integer number (15133005468).

Almost surely, 2^50443351555 is an apocalyptic number.

50443351555 is a deficient number, since it is larger than the sum of its proper divisors (10088670317).

50443351555 is a wasteful number, since it uses less digits than its factorization.

50443351555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088670316.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 50443351555 in words is "fifty billion, four hundred forty-three million, three hundred fifty-one thousand, five hundred fifty-five".