50028129 has 12 divisors (see below), whose sum is σ = 72576036. Its totient is φ = 33207552.

The previous prime is 50028119. The next prime is 50028133. The reversal of 50028129 is 92182005.

It can be written as a sum of positive squares in 2 ways, for example, as 5832225 + 44195904 = 2415^2 + 6648^2 .

It is not a de Polignac number, because 50028129 - 2¹² = 50024033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50028119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9832 + ... + 14025.

It is an arithmetic number, because the mean of its divisors is an integer number (6048003).

Almost surely, 2^50028129 is an apocalyptic number.

It is an amenable number.

50028129 is a deficient number, since it is larger than the sum of its proper divisors (22547907).

50028129 is a wasteful number, since it uses less digits than its factorization.

50028129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24096 (or 24093 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50028129 is about 7073.0565528631. The cubic root of 50028129 is about 368.4722223274.

It can be divided in two parts, 5002 and 8129, that added together give a palindrome (13131).

The spelling of 50028129 in words is "fifty million, twenty-eight thousand, one hundred twenty-nine".