50550011 has 2 divisors, whose sum is σ = 50550012. Its totient is φ = 50550010.

The previous prime is 50550001. The next prime is 50550023. The reversal of 50550011 is 11005505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50550011 is a prime.

It is a super-2 number, since 2×50550011² = 5110607224200242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50550001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275005 + 25275006.

It is an arithmetic number, because the mean of its divisors is an integer number (25275006).

Almost surely, 2^50550011 is an apocalyptic number.

50550011 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550011 is an equidigital number, since it uses as much as digits as its factorization.

50550011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 50550011 is about 7109.8530927158. The cubic root of 50550011 is about 369.7490653058.

Adding to 50550011 its reverse (11005505), we get a palindrome (61555516).

The spelling of 50550011 in words is "fifty million, five hundred fifty thousand, eleven".