50668281 has 32 divisors (see below), whose sum is σ = 78346880. Its totient is φ = 32332608.

The previous prime is 50668273. The next prime is 50668283. The reversal of 50668281 is 18286605.

It is a happy number.

It is not a de Polignac number, because 50668281 - 2³ = 50668273 is a prime.

It is a super-2 number, since 2×50668281² = 5134549398989922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50668283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66555 + ... + 67311.

It is an arithmetic number, because the mean of its divisors is an integer number (2448340).

Almost surely, 2^50668281 is an apocalyptic number.

It is an amenable number.

50668281 is a deficient number, since it is larger than the sum of its proper divisors (27678599).

50668281 is a wasteful number, since it uses less digits than its factorization.

50668281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 50668281 is about 7118.1655642448. The cubic root of 50668281 is about 370.0372034663.

The spelling of 50668281 in words is "fifty million, six hundred sixty-eight thousand, two hundred eighty-one".