50442012 has 18 divisors (see below), whose sum is σ = 127506288. Its totient is φ = 16813992.

The previous prime is 50442011. The next prime is 50442031. The reversal of 50442012 is 21024405.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700548 + ... + 700619.

Almost surely, 2^50442012 is an apocalyptic number.

It is an amenable number.

50442012 is an abundant number, since it is smaller than the sum of its proper divisors (77064276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50442012 is a wasteful number, since it uses less digits than its factorization.

50442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401177 (or 1401172 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 50442012 is about 7102.2540084117. The cubic root of 50442012 is about 369.4855572758.

Adding to 50442012 its reverse (21024405), we get a palindrome (71466417).

It can be divided in two parts, 5044 and 2012, that added together give a square (7056 = 84²).

The spelling of 50442012 in words is "fifty million, four hundred forty-two thousand, twelve".