50481440 has 48 divisors (see below), whose sum is σ = 121533048. Its totient is φ = 19808256.

The previous prime is 50481439. The next prime is 50481463. The reversal of 50481440 is 4418405.

It can be written as a sum of positive squares in 4 ways, for example, as 29724304 + 20757136 = 5452^2 + 4556^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504 + ... + 11456.

Almost surely, 2^50481440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50481440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60766524).

50481440 is an abundant number, since it is smaller than the sum of its proper divisors (71051608).

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

50481440 is a wasteful number, since it uses less digits than its factorization.

50481440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 50481440 is about 7105.0292047253. The cubic root of 50481440 is about 369.5818016689.

Adding to 50481440 its reverse (4418405), we get a palindrome (54899845).

The spelling of 50481440 in words is "fifty million, four hundred eighty-one thousand, four hundred forty".