52520622 has 64 divisors (see below), whose sum is σ = 132710400. Its totient is φ = 13459680.

The previous prime is 52520621. The next prime is 52520641. The reversal of 52520622 is 22602525.

52520622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52520592 and 52520601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520621) 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 31 ways as a sum of consecutive naturals, for example, 35779 + ... + 37217.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^52520622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52520622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66355200).

52520622 is an abundant number, since it is smaller than the sum of its proper divisors (80189778).

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

52520622 is a wasteful number, since it uses less digits than its factorization.

52520622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52520622 is about 7247.1112865748. Note that the first 3 decimals coincide. The cubic root of 52520622 is about 374.4926400943.

The spelling of 52520622 in words is "fifty-two million, five hundred twenty thousand, six hundred twenty-two".