52406522 has 32 divisors (see below), whose sum is σ = 95047680. Its totient is φ = 21170160.

The previous prime is 52406521. The next prime is 52406537. The reversal of 52406522 is 22560425.

It is a junction number, because it is equal to n+sod(n) for n = 52406491 and 52406500.

It is not an unprimeable number, because it can be changed into a prime (52406521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71723 + ... + 72449.

It is an arithmetic number, because the mean of its divisors is an integer number (2970240).

Almost surely, 2^52406522 is an apocalyptic number.

52406522 is a deficient number, since it is larger than the sum of its proper divisors (42641158).

52406522 is a wasteful number, since it uses less digits than its factorization.

52406522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52406522 is about 7239.2349043252. The cubic root of 52406522 is about 374.2212508819.

Adding to 52406522 its reverse (22560425), we get a palindrome (74966947).

The spelling of 52406522 in words is "fifty-two million, four hundred six thousand, five hundred twenty-two".