53653530448 has 80 divisors (see below), whose sum is σ = 121948623360. Its totient is φ = 22393081728.

The previous prime is 53653530443. The next prime is 53653530451. The reversal of 53653530448 is 84403535635.

It is a junction number, because it is equal to n+sod(n) for n = 53653530398 and 53653530407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53653530443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669115 + ... + 744997.

It is an arithmetic number, because the mean of its divisors is an integer number (1524357792).

Almost surely, 2^53653530448 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 53653530448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60974311680).

53653530448 is an abundant number, since it is smaller than the sum of its proper divisors (68295092912).

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

53653530448 is a wasteful number, since it uses less digits than its factorization.

53653530448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76064 (or 76058 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 53653530448 in words is "fifty-three billion, six hundred fifty-three million, five hundred thirty thousand, four hundred forty-eight".