50500555005501 has 12 divisors (see below), whose sum is σ = 76116778559328. Its totient is φ = 32203252467144.

The previous prime is 50500555005497. The next prime is 50500555005503. The reversal of 50500555005501 is 10550055500505.

It is a happy number.

50500555005501 is a `hidden beast` number, since 5 + 0 + 5 + 0 + 0 + 55 + 50 + 0 + 550 + 1 = 666.

It is not a de Polignac number, because 50500555005501 - 2² = 50500555005497 is a prime.

It is a super-2 number, since 2×50500555005501² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500555005503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121982016715 + ... + 121982017128.

It is an arithmetic number, because the mean of its divisors is an integer number (6343064879944).

Almost surely, 2^{50500555005501} is an apocalyptic number.

It is an amenable number.

50500555005501 is a deficient number, since it is larger than the sum of its proper divisors (25616223553827).

50500555005501 is a wasteful number, since it uses less digits than its factorization.

50500555005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243964033872 (or 243964033869 counting only the distinct ones).

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

The spelling of 50500555005501 in words is "fifty trillion, five hundred billion, five hundred fifty-five million, five thousand, five hundred one".