50723890 has 16 divisors (see below), whose sum is σ = 104346432. Its totient is φ = 17391024.

The previous prime is 50723821. The next prime is 50723899. The reversal of 50723890 is 9832705.

50723890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50723899) 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 7 ways as a sum of consecutive naturals, for example, 362244 + ... + 362383.

It is an arithmetic number, because the mean of its divisors is an integer number (6521652).

Almost surely, 2^50723890 is an apocalyptic number.

50723890 is an abundant number, since it is smaller than the sum of its proper divisors (53622542).

50723890 is a wasteful number, since it uses less digits than its factorization.

50723890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724641.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 50723890 is about 7122.0706258784. The cubic root of 50723890 is about 370.1725272826.

The spelling of 50723890 in words is "fifty million, seven hundred twenty-three thousand, eight hundred ninety".