50550005555001 has 16 divisors (see below), whose sum is σ = 76301895179520. Its totient is φ = 33064154575920.

The previous prime is 50550005554999. The next prime is 50550005555009. The reversal of 50550005555001 is 10055550005505.

It is a happy number.

50550005555001 is a `hidden beast` number, since 5 + 0 + 5 + 50 + 0 + 0 + 55 + 550 + 0 + 1 = 666.

It is not a de Polignac number, because 50550005555001 - 2¹ = 50550005554999 is a prime.

It is a super-2 number, since 2×50550005555001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50550005555009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17662474305 + ... + 17662477166.

It is an arithmetic number, because the mean of its divisors is an integer number (4768868448720).

Almost surely, 2^{50550005555001} is an apocalyptic number.

It is an amenable number.

50550005555001 is a deficient number, since it is larger than the sum of its proper divisors (25751889624519).

50550005555001 is a wasteful number, since it uses less digits than its factorization.

50550005555001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35324951533 (or 35324951527 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 50550005555001 in words is "fifty trillion, five hundred fifty billion, five million, five hundred fifty-five thousand, one".