52217460 has 60 divisors (see below), whose sum is σ = 163813188. Its totient is φ = 13924224.

The previous prime is 52217441. The next prime is 52217479. The reversal of 52217460 is 6471225.

52217460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52217441) and next prime (52217479).

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 23444964 = 5364^2 + 4842^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 14497 + ... + 17736.

Almost surely, 2^52217460 is an apocalyptic number.

It is an amenable number.

52217460 is an abundant number, since it is smaller than the sum of its proper divisors (111595728).

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

52217460 is a wasteful number, since it uses less digits than its factorization.

52217460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32254 (or 32243 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52217460 is about 7226.1649579843. The cubic root of 52217460 is about 373.7706945585.

Adding to 52217460 its reverse (6471225), we get a palindrome (58688685).

The spelling of 52217460 in words is "fifty-two million, two hundred seventeen thousand, four hundred sixty".