52604240 has 40 divisors (see below), whose sum is σ = 131715528. Its totient is φ = 19422720.

The previous prime is 52604219. The next prime is 52604261. The reversal of 52604240 is 4240625.

It is an interprime number because it is at equal distance from previous prime (52604219) and next prime (52604261).

It can be written as a sum of positive squares in 4 ways, for example, as 2534464 + 50069776 = 1592^2 + 7076^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24251 + ... + 26330.

Almost surely, 2^52604240 is an apocalyptic number.

It is an amenable number.

52604240 is an abundant number, since it is smaller than the sum of its proper divisors (79111288).

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

52604240 is a wasteful number, since it uses less digits than its factorization.

52604240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50607 (or 50601 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 52604240 is about 7252.8780494367. The cubic root of 52604240 is about 374.6912777631.

Adding to 52604240 its reverse (4240625), we get a palindrome (56844865).

The spelling of 52604240 in words is "fifty-two million, six hundred four thousand, two hundred forty".