50009012 has 12 divisors (see below), whose sum is σ = 89650596. Its totient is φ = 24394560.

The previous prime is 50009009. The next prime is 50009017. The reversal of 50009012 is 21090005.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 48385936 = 1274^2 + 6956^2 .

It is a super-2 number, since 2×50009012² = 5001802562432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50009017) 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, 152303 + ... + 152630.

It is an arithmetic number, because the mean of its divisors is an integer number (7470883).

Almost surely, 2^50009012 is an apocalyptic number.

It is an amenable number.

50009012 is a deficient number, since it is larger than the sum of its proper divisors (39641584).

50009012 is a wasteful number, since it uses less digits than its factorization.

50009012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304978 (or 304976 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 50009012 is about 7071.7050277850. The cubic root of 50009012 is about 368.4252821956.

Adding to 50009012 its reverse (21090005), we get a palindrome (71099017).

The spelling of 50009012 in words is "fifty million, nine thousand, twelve".