50990970 has 32 divisors (see below), whose sum is σ = 126328320. Its totient is φ = 13158720.

The previous prime is 50990959. The next prime is 50990971. The reversal of 50990970 is 7909905.

50990970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50990971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26485 + ... + 28344.

It is an arithmetic number, because the mean of its divisors is an integer number (3947760).

Almost surely, 2^50990970 is an apocalyptic number.

50990970 is an abundant number, since it is smaller than the sum of its proper divisors (75337350).

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

50990970 is a wasteful number, since it uses less digits than its factorization.

50990970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54870.

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 50990970 is about 7140.7961740971. The cubic root of 50990970 is about 370.8210886277.

The spelling of 50990970 in words is "fifty million, nine hundred ninety thousand, nine hundred seventy".