50521472 has 16 divisors (see below), whose sum is σ = 100648500. Its totient is φ = 25260672.

The previous prime is 50521463. The next prime is 50521477. The reversal of 50521472 is 27412505.

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197222 + ... + 197477.

Almost surely, 2^50521472 is an apocalyptic number.

It is an amenable number.

50521472 is a deficient number, since it is larger than the sum of its proper divisors (50127028).

50521472 is an equidigital number, since it uses as much as digits as its factorization.

50521472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394713 (or 394701 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 50521472 is about 7107.8458058683. The cubic root of 50521472 is about 369.6794691783.

Adding to 50521472 its reverse (27412505), we get a palindrome (77933977).

The spelling of 50521472 in words is "fifty million, five hundred twenty-one thousand, four hundred seventy-two".