50400011 has 4 divisors (see below), whose sum is σ = 50419512. Its totient is φ = 50380512.

The previous prime is 50400001. The next prime is 50400037. The reversal of 50400011 is 11000405.

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 50400011 - 2²² = 46205707 is a prime.

It is a super-2 number, since 2×50400011² = 5080322217600242, 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 = 50399965 and 50400001.

It is not an unprimeable number, because it can be changed into a prime (50400001) 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, 5150 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (12604878).

Almost surely, 2^50400011 is an apocalyptic number.

50400011 is a deficient number, since it is larger than the sum of its proper divisors (19501).

50400011 is a wasteful number, since it uses less digits than its factorization.

50400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 50400011 is about 7099.2965144442. The cubic root of 50400011 is about 369.3829769627.

Adding to 50400011 its reverse (11000405), we get a palindrome (61400416).

The spelling of 50400011 in words is "fifty million, four hundred thousand, eleven".