50001011 has 4 divisors (see below), whose sum is σ = 52174992. Its totient is φ = 47827032.

The previous prime is 50000999. The next prime is 50001037. The reversal of 50001011 is 11010005.

It is a happy number.

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 50001011 - 2⁶ = 50000947 is a prime.

It is a super-2 number, since 2×50001011² = 5000202202044242, which 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 50001011.

It is not an unprimeable number, because it can be changed into a prime (50004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086956 + ... + 1087001.

It is an arithmetic number, because the mean of its divisors is an integer number (13043748).

Almost surely, 2^50001011 is an apocalyptic number.

50001011 is a deficient number, since it is larger than the sum of its proper divisors (2173981).

50001011 is a wasteful number, since it uses less digits than its factorization.

50001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173980.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 50001011 is about 7071.1392999997. The cubic root of 50001011 is about 368.4056328845.

Adding to 50001011 its reverse (11010005), we get a palindrome (61011016).

The spelling of 50001011 in words is "fifty million, one thousand, eleven".