52122340 has 48 divisors (see below), whose sum is σ = 117355392. Its totient is φ = 19375616.

The previous prime is 52122319. The next prime is 52122341. The reversal of 52122340 is 4322125.

52122340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52122341) 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 15 ways as a sum of consecutive naturals, for example, 27297 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (2444904).

Almost surely, 2^52122340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52122340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58677696).

52122340 is an abundant number, since it is smaller than the sum of its proper divisors (65233052).

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

52122340 is a wasteful number, since it uses less digits than its factorization.

52122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52122340 is about 7219.5803202125. The cubic root of 52122340 is about 373.5436014347.

Adding to 52122340 its reverse (4322125), we get a palindrome (56444465).

The spelling of 52122340 in words is "fifty-two million, one hundred twenty-two thousand, three hundred forty".