50228690 has 16 divisors (see below), whose sum is σ = 92617560. Its totient is φ = 19601280.

The previous prime is 50228657. The next prime is 50228699. The reversal of 50228690 is 9682205.

It can be written as a sum of positive squares in 4 ways, for example, as 43943641 + 6285049 = 6629^2 + 2507^2 .

It is a super-2 number, since 2×50228690² = 5045842598232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50228699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60845 + ... + 61664.

Almost surely, 2^50228690 is an apocalyptic number.

50228690 is a deficient number, since it is larger than the sum of its proper divisors (42388870).

50228690 is a wasteful number, since it uses less digits than its factorization.

50228690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122557.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 50228690 is about 7087.2201884801. The cubic root of 50228690 is about 368.9639631574.

It can be divided in two parts, 502 and 28690, that added together give a palindrome (29192).

The spelling of 50228690 in words is "fifty million, two hundred twenty-eight thousand, six hundred ninety".