50155229 has 2 divisors, whose sum is σ = 50155230. Its totient is φ = 50155228.

The previous prime is 50155223. The next prime is 50155247. The reversal of 50155229 is 92255105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31058329 + 19096900 = 5573^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 50155229 - 2¹² = 50151133 is a prime.

It is equal to p_3009872 and since 50155229 and 3009872 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50155223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077614 + 25077615.

It is an arithmetic number, because the mean of its divisors is an integer number (25077615).

Almost surely, 2^50155229 is an apocalyptic number.

It is an amenable number.

50155229 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155229 is an equidigital number, since it uses as much as digits as its factorization.

50155229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 50155229 is about 7082.0356536804. The cubic root of 50155229 is about 368.7840016909.

The spelling of 50155229 in words is "fifty million, one hundred fifty-five thousand, two hundred twenty-nine".