52399129 has 8 divisors (see below), whose sum is σ = 54749952. Its totient is φ = 50054400.

The previous prime is 52399111. The next prime is 52399133. The reversal of 52399129 is 92199325.

52399129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52399129 - 2⁵ = 52399097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52399091 and 52399100.

It is not an unprimeable number, because it can be changed into a prime (52399229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31929 + ... + 33529.

It is an arithmetic number, because the mean of its divisors is an integer number (6843744).

Almost surely, 2^52399129 is an apocalyptic number.

It is an amenable number.

52399129 is a deficient number, since it is larger than the sum of its proper divisors (2350823).

52399129 is a wasteful number, since it uses less digits than its factorization.

52399129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047.

The product of its digits is 43740, while the sum is 40.

The square root of 52399129 is about 7238.7242660568. The cubic root of 52399129 is about 374.2036528953.

The spelling of 52399129 in words is "fifty-two million, three hundred ninety-nine thousand, one hundred twenty-nine".