52448009 has 12 divisors (see below), whose sum is σ = 55982064. Its totient is φ = 49126464.

The previous prime is 52447957. The next prime is 52448029. The reversal of 52448009 is 90084425.

It is not a de Polignac number, because 52448009 - 2²⁰ = 51399433 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52448029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100022 + ... + 100544.

It is an arithmetic number, because the mean of its divisors is an integer number (4665172).

Almost surely, 2^52448009 is an apocalyptic number.

It is an amenable number.

52448009 is a deficient number, since it is larger than the sum of its proper divisors (3534055).

52448009 is a wasteful number, since it uses less digits than its factorization.

52448009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 52448009 is about 7242.0997645710. The cubic root of 52448009 is about 374.3199741033.

The spelling of 52448009 in words is "fifty-two million, four hundred forty-eight thousand, nine".