52390122 has 8 divisors (see below), whose sum is σ = 104780256. Its totient is φ = 17463372.

The previous prime is 52390111. The next prime is 52390123. The reversal of 52390122 is 22109325.

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

52390122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 52390092 and 52390101.

It is not an unprimeable number, because it can be changed into a prime (52390123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365838 + ... + 4365849.

It is an arithmetic number, because the mean of its divisors is an integer number (13097532).

Almost surely, 2^52390122 is an apocalyptic number.

52390122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52390122 is a wasteful number, since it uses less digits than its factorization.

52390122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731692.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 52390122 is about 7238.1020993075. The cubic root of 52390122 is about 374.1822107740.

Adding to 52390122 its reverse (22109325), we get a palindrome (74499447).

The spelling of 52390122 in words is "fifty-two million, three hundred ninety thousand, one hundred twenty-two".