52448445 has 32 divisors (see below), whose sum is σ = 106563840. Its totient is φ = 23976000.

The previous prime is 52448437. The next prime is 52448467. The reversal of 52448445 is 54484425.

It is not a de Polignac number, because 52448445 - 2³ = 52448437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26806 + ... + 28695.

It is an arithmetic number, because the mean of its divisors is an integer number (3330120).

Almost surely, 2^52448445 is an apocalyptic number.

It is an amenable number.

52448445 is an abundant number, since it is smaller than the sum of its proper divisors (54115395).

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

52448445 is a wasteful number, since it uses less digits than its factorization.

52448445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55522 (or 55516 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

The square root of 52448445 is about 7242.1298662755. The cubic root of 52448445 is about 374.3210113404.

It can be divided in two parts, 5244 and 8445, that added together give a square (13689 = 117²).

The spelling of 52448445 in words is "fifty-two million, four hundred forty-eight thousand, four hundred forty-five".