50742890 has 16 divisors (see below), whose sum is σ = 99640800. Its totient is φ = 18451920.

The previous prime is 50742883. The next prime is 50742917. The reversal of 50742890 is 9824705.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50742890.

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, 230540 + ... + 230759.

It is an arithmetic number, because the mean of its divisors is an integer number (6227550).

Almost surely, 2^50742890 is an apocalyptic number.

50742890 is a deficient number, since it is larger than the sum of its proper divisors (48897910).

50742890 is a wasteful number, since it uses less digits than its factorization.

50742890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461317.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 50742890 is about 7123.4043827372. The cubic root of 50742890 is about 370.2187408783.

The spelling of 50742890 in words is "fifty million, seven hundred forty-two thousand, eight hundred ninety".