50305440 has 48 divisors (see below), whose sum is σ = 158463648. Its totient is φ = 13414656.

The previous prime is 50305403. The next prime is 50305447. The reversal of 50305440 is 4450305.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (50305447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51922 + ... + 52881.

It is an arithmetic number, because the mean of its divisors is an integer number (3301326).

Almost surely, 2^50305440 is an apocalyptic number.

It is an amenable number.

50305440 is an abundant number, since it is smaller than the sum of its proper divisors (108158208).

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

50305440 is a wasteful number, since it uses less digits than its factorization.

50305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104821 (or 104813 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 50305440 is about 7092.6327974878. The cubic root of 50305440 is about 369.1517945409.

Adding to 50305440 its reverse (4450305), we get a palindrome (54755745).

The spelling of 50305440 in words is "fifty million, three hundred five thousand, four hundred forty".