50667840 has 168 divisors, whose sum is σ = 177396648. Its totient is φ = 13271040.

The previous prime is 50667829. The next prime is 50667893. The reversal of 50667840 is 4876605.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11128896 + 39538944 = 3336^2 + 6288^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50667795 and 50667804.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 210120 + ... + 210360.

Almost surely, 2^50667840 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 50667840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88698324).

50667840 is an abundant number, since it is smaller than the sum of its proper divisors (126728808).

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

50667840 is a wasteful number, since it uses less digits than its factorization.

50667840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 50667840 is about 7118.1345870951. The cubic root of 50667840 is about 370.0361299026.

The spelling of 50667840 in words is "fifty million, six hundred sixty-seven thousand, eight hundred forty".