52380522 has 36 divisors (see below), whose sum is σ = 118661634. Its totient is φ = 16698000.

The previous prime is 52380521. The next prime is 52380551. The reversal of 52380522 is 22508325.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 22667121 = 5451^2 + 4761^2 .

It is not an unprimeable number, because it can be changed into a prime (52380521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6772 + ... + 12272.

Almost surely, 2^52380522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52380522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59330817).

52380522 is an abundant number, since it is smaller than the sum of its proper divisors (66281112).

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

52380522 is a wasteful number, since it uses less digits than its factorization.

52380522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5529 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52380522 is about 7237.4389116593. The cubic root of 52380522 is about 374.1593542474.

Adding to 52380522 its reverse (22508325), we get a palindrome (74888847).

The spelling of 52380522 in words is "fifty-two million, three hundred eighty thousand, five hundred twenty-two".