53128048 has 80 divisors (see below), whose sum is σ = 113135616. Its totient is φ = 24111360.

The previous prime is 53128039. The next prime is 53128063. The reversal of 53128048 is 84082135.

53128048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002390 + ... + 1002442.

Almost surely, 2^53128048 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 53128048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56567808).

53128048 is an abundant number, since it is smaller than the sum of its proper divisors (60007568).

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

53128048 is a wasteful number, since it uses less digits than its factorization.

53128048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 53128048 is about 7288.8989566326. The cubic root of 53128048 is about 375.9308383430.

The spelling of 53128048 in words is "fifty-three million, one hundred twenty-eight thousand, forty-eight".