50555200001 has 4 divisors (see below), whose sum is σ = 50819887104. Its totient is φ = 50290512900.

The previous prime is 50555199983. The next prime is 50555200021. The reversal of 50555200001 is 10000255505.

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: 10000255505 = 5 ⋅2000051101.

It is a cyclic number.

It is not a de Polignac number, because 50555200001 - 2³⁴ = 33375330817 is a prime.

It is a super-2 number, since 2×50555200001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50555200001.

It is not an unprimeable number, because it can be changed into a prime (50555200021) 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, 132343265 + ... + 132343646.

It is an arithmetic number, because the mean of its divisors is an integer number (12704971776).

Almost surely, 2^50555200001 is an apocalyptic number.

It is an amenable number.

50555200001 is a deficient number, since it is larger than the sum of its proper divisors (264687103).

50555200001 is a wasteful number, since it uses less digits than its factorization.

50555200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264687102.

The product of its (nonzero) digits is 1250, while the sum is 23.

Adding to 50555200001 its reverse (10000255505), we get a palindrome (60555455506).

The spelling of 50555200001 in words is "fifty billion, five hundred fifty-five million, two hundred thousand, one".