50864890 has 16 divisors (see below), whose sum is σ = 92661408. Its totient is φ = 20100496.

The previous prime is 50864873. The next prime is 50864909. The reversal of 50864890 is 9846805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29812 + ... + 31471.

It is an arithmetic number, because the mean of its divisors is an integer number (5791338).

Almost surely, 2^50864890 is an apocalyptic number.

50864890 is a deficient number, since it is larger than the sum of its proper divisors (41796518).

50864890 is a wasteful number, since it uses less digits than its factorization.

50864890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61373.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 50864890 is about 7131.9625629976. The cubic root of 50864890 is about 370.5152063004.

The spelling of 50864890 in words is "fifty million, eight hundred sixty-four thousand, eight hundred ninety".