50556061606 has 4 divisors (see below), whose sum is σ = 75834092412. Its totient is φ = 25278030802.

The previous prime is 50556061603. The next prime is 50556061627. The reversal of 50556061606 is 60616065505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60616065505 = 5 ⋅12123213101.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (50556061603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12639015400 + ... + 12639015403.

It is an arithmetic number, because the mean of its divisors is an integer number (18958523103).

Almost surely, 2^50556061606 is an apocalyptic number.

50556061606 is a deficient number, since it is larger than the sum of its proper divisors (25278030806).

50556061606 is a wasteful number, since it uses less digits than its factorization.

50556061606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25278030805.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 50556061606 in words is "fifty billion, five hundred fifty-six million, sixty-one thousand, six hundred six".