53448445 has 8 divisors (see below), whose sum is σ = 65041920. Its totient is φ = 42156240.

The previous prime is 53448443. The next prime is 53448449. The reversal of 53448445 is 54484435.

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

It is not a de Polignac number, because 53448445 - 2¹ = 53448443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53448443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74925 + ... + 75634.

It is an arithmetic number, because the mean of its divisors is an integer number (8130240).

Almost surely, 2^53448445 is an apocalyptic number.

It is an amenable number.

53448445 is a deficient number, since it is larger than the sum of its proper divisors (11593475).

53448445 is a wasteful number, since it uses less digits than its factorization.

53448445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150635.

The product of its digits is 153600, while the sum is 37.

The square root of 53448445 is about 7310.8443424819. The cubic root of 53448445 is about 376.6850275158.

The spelling of 53448445 in words is "fifty-three million, four hundred forty-eight thousand, four hundred forty-five".