50990068 has 6 divisors (see below), whose sum is σ = 89232626. Its totient is φ = 25495032.

The previous prime is 50990063. The next prime is 50990077. The reversal of 50990068 is 86009905.

It can be written as a sum of positive squares in only one way, i.e., 33500944 + 17489124 = 5788^2 + 4182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50990063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373755 + ... + 6373762.

Almost surely, 2^50990068 is an apocalyptic number.

It is an amenable number.

50990068 is a deficient number, since it is larger than the sum of its proper divisors (38242558).

50990068 is a wasteful number, since it uses less digits than its factorization.

50990068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12747521 (or 12747519 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50990068 is about 7140.7330155944. The cubic root of 50990068 is about 370.8189020798.

The spelling of 50990068 in words is "fifty million, nine hundred ninety thousand, sixty-eight".