50000005055551 has 8 divisors (see below), whose sum is σ = 50074147157744. Its totient is φ = 49925868108480.

The previous prime is 50000005055513. The next prime is 50000005055573. The reversal of 50000005055551 is 15555050000005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50000005055551 - 2³⁵ = 49965645317183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000005035551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18345325 + ... + 20893801.

It is an arithmetic number, because the mean of its divisors is an integer number (6259268394718).

Almost surely, 2^{50000005055551} is an apocalyptic number.

50000005055551 is a deficient number, since it is larger than the sum of its proper divisors (74142102193).

50000005055551 is a wasteful number, since it uses less digits than its factorization.

50000005055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577561.

The product of its (nonzero) digits is 15625, while the sum is 31.

Adding to 50000005055551 its reverse (15555050000005), we get a palindrome (65555055055556).

The spelling of 50000005055551 in words is "fifty trillion, five million, fifty-five thousand, five hundred fifty-one".