52129406 has 8 divisors (see below), whose sum is σ = 89364720. Its totient is φ = 22341168.

The previous prime is 52129387. The next prime is 52129421. The reversal of 52129406 is 60492125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1861751 + ... + 1861778.

It is an arithmetic number, because the mean of its divisors is an integer number (11170590).

Almost surely, 2^52129406 is an apocalyptic number.

52129406 is a deficient number, since it is larger than the sum of its proper divisors (37235314).

52129406 is a wasteful number, since it uses less digits than its factorization.

52129406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723538.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52129406 is about 7220.0696672539. The cubic root of 52129406 is about 373.5604805684.

The spelling of 52129406 in words is "fifty-two million, one hundred twenty-nine thousand, four hundred six".