50000005501 has 4 divisors (see below), whose sum is σ = 50015619072. Its totient is φ = 49984391932.

The previous prime is 50000005477. The next prime is 50000005507. The reversal of 50000005501 is 10550000005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10550000005 = 5 ⋅2110000001.

It is a cyclic number.

It is not a de Polignac number, because 50000005501 - 2⁷ = 50000005373 is a prime.

It is a super-2 number, since 2×50000005501² (a number of 22 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 (50000005507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7801981 + ... + 7808386.

It is an arithmetic number, because the mean of its divisors is an integer number (12503904768).

Almost surely, 2^50000005501 is an apocalyptic number.

It is an amenable number.

50000005501 is a deficient number, since it is larger than the sum of its proper divisors (15613571).

50000005501 is a wasteful number, since it uses less digits than its factorization.

50000005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15613570.

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 50000005501 its reverse (10550000005), we get a palindrome (60550005506).

The spelling of 50000005501 in words is "fifty billion, five thousand, five hundred one".