50500005505550 has 48 divisors (see below), whose sum is σ = 99456612730992. Its totient is φ = 19011516787200.

The previous prime is 50500005505471. The next prime is 50500005505559. The reversal of 50500005505550 is 5550550000505.

It is a super-2 number, since 2×50500005505550² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50500005505550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500005505559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72225929 + ... + 72921771.

It is an arithmetic number, because the mean of its divisors is an integer number (2072012765229).

Almost surely, 2^{50500005505550} is an apocalyptic number.

50500005505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50500005505550 is a deficient number, since it is larger than the sum of its proper divisors (48956607225442).

50500005505550 is a wasteful number, since it uses less digits than its factorization.

50500005505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781253 (or 781248 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50500005505550 in words is "fifty trillion, five hundred billion, five million, five hundred five thousand, five hundred fifty".