50500055051 has 4 divisors (see below), whose sum is σ = 51211323504. Its totient is φ = 49788786600.

The previous prime is 50500055033. The next prime is 50500055059. The reversal of 50500055051 is 15055000505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50500055051 - 2¹⁰ = 50500054027 is a prime.

It is a super-2 number, since 2×50500055051² (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 50500055051.

It is not an unprimeable number, because it can be changed into a prime (50500055059) 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, 355634120 + ... + 355634261.

It is an arithmetic number, because the mean of its divisors is an integer number (12802830876).

Almost surely, 2^50500055051 is an apocalyptic number.

50500055051 is a deficient number, since it is larger than the sum of its proper divisors (711268453).

50500055051 is an equidigital number, since it uses as much as digits as its factorization.

50500055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711268452.

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

Adding to 50500055051 its reverse (15055000505), we get a palindrome (65555055556).

The spelling of 50500055051 in words is "fifty billion, five hundred million, fifty-five thousand, fifty-one".