52129146 has 16 divisors (see below), whose sum is σ = 105515424. Its totient is φ = 17166864.

The previous prime is 52129127. The next prime is 52129151. The reversal of 52129146 is 64192125.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51841 + ... + 52836.

It is an arithmetic number, because the mean of its divisors is an integer number (6594714).

Almost surely, 2^52129146 is an apocalyptic number.

52129146 is an abundant number, since it is smaller than the sum of its proper divisors (53386278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52129146 is a wasteful number, since it uses less digits than its factorization.

52129146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104765.

The product of its digits is 4320, while the sum is 30.

The square root of 52129146 is about 7220.0516618650. The cubic root of 52129146 is about 373.5598595121.

The spelling of 52129146 in words is "fifty-two million, one hundred twenty-nine thousand, one hundred forty-six".