52654240 has 24 divisors (see below), whose sum is σ = 124396020. Its totient is φ = 21061632.

The previous prime is 52654237. The next prime is 52654267. The reversal of 52654240 is 4245625.

It can be written as a sum of positive squares in 2 ways, for example, as 50183056 + 2471184 = 7084^2 + 1572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52654199 and 52654208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164385 + ... + 164704.

Almost surely, 2^52654240 is an apocalyptic number.

It is an amenable number.

52654240 is an abundant number, since it is smaller than the sum of its proper divisors (71741780).

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

52654240 is a wasteful number, since it uses less digits than its factorization.

52654240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329104 (or 329096 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 52654240 is about 7256.3241382948. The cubic root of 52654240 is about 374.8099540734.

Adding to 52654240 its reverse (4245625), we get a palindrome (56899865).

The spelling of 52654240 in words is "fifty-two million, six hundred fifty-four thousand, two hundred forty".