50289312 has 24 divisors (see below), whose sum is σ = 132009696. Its totient is φ = 16763072.

The previous prime is 50289311. The next prime is 50289367. The reversal of 50289312 is 21398205.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50289312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50289311) 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, 261828 + ... + 262019.

It is an arithmetic number, because the mean of its divisors is an integer number (5500404).

Almost surely, 2^50289312 is an apocalyptic number.

It is an amenable number.

50289312 is an abundant number, since it is smaller than the sum of its proper divisors (81720384).

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

50289312 is a wasteful number, since it uses less digits than its factorization.

50289312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523860 (or 523852 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50289312 is about 7091.4957519553. The cubic root of 50289312 is about 369.1123401167.

The spelling of 50289312 in words is "fifty million, two hundred eighty-nine thousand, three hundred twelve".