50000000555501 has 8 divisors (see below), whose sum is σ = 50602946516640. Its totient is φ = 49397067363952.

The previous prime is 50000000555489. The next prime is 50000000555563. The reversal of 50000000555501 is 10555500000005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50000000555501 is a prime.

It is a super-2 number, since 2×50000000555501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000000555591) 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, 4806026 + ... + 11094948.

It is an arithmetic number, because the mean of its divisors is an integer number (6325368314580).

Almost surely, 2^{50000000555501} is an apocalyptic number.

It is an amenable number.

50000000555501 is a deficient number, since it is larger than the sum of its proper divisors (602945961139).

50000000555501 is an equidigital number, since it uses as much as digits as its factorization.

50000000555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384795.

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 50000000555501 its reverse (10555500000005), we get a palindrome (60555500555506).

The spelling of 50000000555501 in words is "fifty trillion, five hundred fifty-five thousand, five hundred one".