53840448 has 84 divisors (see below), whose sum is σ = 155405328. Its totient is φ = 17821440.

The previous prime is 53840431. The next prime is 53840453. The reversal of 53840448 is 84404835.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121315 + ... + 121757.

Almost surely, 2^53840448 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 53840448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77702664).

53840448 is an abundant number, since it is smaller than the sum of its proper divisors (101564880).

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

53840448 is a wasteful number, since it uses less digits than its factorization.

53840448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 53840448 is about 7337.6050588731. The cubic root of 53840448 is about 377.6036830532.

The spelling of 53840448 in words is "fifty-three million, eight hundred forty thousand, four hundred forty-eight".