50893281 has 18 divisors (see below), whose sum is σ = 74401782. Its totient is φ = 33523200.

The previous prime is 50893261. The next prime is 50893307. The reversal of 50893281 is 18239805.

It can be written as a sum of positive squares in 3 ways, for example, as 12960000 + 37933281 = 3600^2 + 6159^2 .

It is not a de Polignac number, because 50893281 - 2⁶ = 50893217 is a prime.

It is a super-2 number, since 2×50893281² = 5180252101889922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50893211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84381 + ... + 84981.

Almost surely, 2^50893281 is an apocalyptic number.

It is an amenable number.

50893281 is a deficient number, since it is larger than the sum of its proper divisors (23508501).

50893281 is an equidigital number, since it uses as much as digits as its factorization.

50893281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 50893281 is about 7133.9526911804. The cubic root of 50893281 is about 370.5841296820.

The spelling of 50893281 in words is "fifty million, eight hundred ninety-three thousand, two hundred eighty-one".