51050011 has 4 divisors (see below), whose sum is σ = 51070024. Its totient is φ = 51030000.

The previous prime is 51050009. The next prime is 51050029. The reversal of 51050011 is 11005015.

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 51050011 - 2¹ = 51050009 is a prime.

It is a super-2 number, since 2×51050011² = 5212207246200242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51049973 and 51050000.

It is not an unprimeable number, because it can be changed into a prime (51050071) 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, 5505 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (12767506).

Almost surely, 2^51050011 is an apocalyptic number.

51050011 is a deficient number, since it is larger than the sum of its proper divisors (20013).

51050011 is a wasteful number, since it uses less digits than its factorization.

51050011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 51050011 is about 7144.9290409353. The cubic root of 51050011 is about 370.9641545033.

Adding to 51050011 its reverse (11005015), we get a palindrome (62055026).

The spelling of 51050011 in words is "fifty-one million, fifty thousand, eleven".