52505465 has 8 divisors (see below), whose sum is σ = 63269448. Its totient is φ = 41829120.

The previous prime is 52505449. The next prime is 52505471. The reversal of 52505465 is 56450525.

52505465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 51998521 = 712^2 + 7211^2 .

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

It is not a de Polignac number, because 52505465 - 2⁴ = 52505449 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 20582 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (7908681).

Almost surely, 2^52505465 is an apocalyptic number.

It is an amenable number.

52505465 is a deficient number, since it is larger than the sum of its proper divisors (10763983).

52505465 is a wasteful number, since it uses less digits than its factorization.

52505465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43819.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 52505465 is about 7246.0654841093. The cubic root of 52505465 is about 374.4566115094.

The spelling of 52505465 in words is "fifty-two million, five hundred five thousand, four hundred sixty-five".