50278229 has 4 divisors (see below), whose sum is σ = 50328876. Its totient is φ = 50227584.

The previous prime is 50278219. The next prime is 50278243. The reversal of 50278229 is 92287205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3724900 + 46553329 = 1930^2 + 6823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50278229 is a prime.

It is a super-2 number, since 2×50278229² = 5055800622752882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50278219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23804 + ... + 25829.

It is an arithmetic number, because the mean of its divisors is an integer number (12582219).

Almost surely, 2^50278229 is an apocalyptic number.

It is an amenable number.

50278229 is a deficient number, since it is larger than the sum of its proper divisors (50647).

50278229 is a wasteful number, since it uses less digits than its factorization.

50278229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50646.

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

The square root of 50278229 is about 7090.7142799580. The cubic root of 50278229 is about 369.0852225414.

The spelling of 50278229 in words is "fifty million, two hundred seventy-eight thousand, two hundred twenty-nine".