52561463 has 8 divisors (see below), whose sum is σ = 56014848. Its totient is φ = 49205464.

The previous prime is 52561451. The next prime is 52561471. The reversal of 52561463 is 36416525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52561463 - 2⁸ = 52561207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52561403) by changing a digit.

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, 23231 + ... + 25392.

It is an arithmetic number, because the mean of its divisors is an integer number (7001856).

Almost surely, 2^52561463 is an apocalyptic number.

52561463 is a deficient number, since it is larger than the sum of its proper divisors (3453385).

52561463 is a wasteful number, since it uses less digits than its factorization.

52561463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48693.

The product of its digits is 21600, while the sum is 32.

The square root of 52561463 is about 7249.9284824059. The cubic root of 52561463 is about 374.5896857281.

Adding to 52561463 its reverse (36416525), we get a palindrome (88977988).

The spelling of 52561463 in words is "fifty-two million, five hundred sixty-one thousand, four hundred sixty-three".