53939448 has 48 divisors (see below), whose sum is σ = 146928600. Its totient is φ = 17876160.

The previous prime is 53939443. The next prime is 53939519. The reversal of 53939448 is 84493935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53939443) 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, 10963 + ... + 15101.

Almost surely, 2^53939448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53939448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73464300).

53939448 is an abundant number, since it is smaller than the sum of its proper divisors (92989152).

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

53939448 is a wasteful number, since it uses less digits than its factorization.

53939448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4325 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 53939448 is about 7344.3480309691. The cubic root of 53939448 is about 377.8349829815.

It can be divided in two parts, 5393 and 9448, that added together give a palindrome (14841).

The spelling of 53939448 in words is "fifty-three million, nine hundred thirty-nine thousand, four hundred forty-eight".