50422390 has 16 divisors (see below), whose sum is σ = 95537520. Its totient is φ = 19107360.

The previous prime is 50422381. The next prime is 50422397. The reversal of 50422390 is 9322405.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50422397) by changing a digit.

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, 132501 + ... + 132880.

It is an arithmetic number, because the mean of its divisors is an integer number (5971095).

Almost surely, 2^50422390 is an apocalyptic number.

50422390 is a deficient number, since it is larger than the sum of its proper divisors (45115130).

50422390 is a wasteful number, since it uses less digits than its factorization.

50422390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265407.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 50422390 is about 7100.8724816039. The cubic root of 50422390 is about 369.4376409616.

Adding to 50422390 its reverse (9322405), we get a palindrome (59744795).

The spelling of 50422390 in words is "fifty million, four hundred twenty-two thousand, three hundred ninety".