53403648 has 112 divisors (see below), whose sum is σ = 148626576. Its totient is φ = 17039360.

The previous prime is 53403643. The next prime is 53403653. The reversal of 53403648 is 84630435.

It is an interprime number because it is at equal distance from previous prime (53403643) and next prime (53403653).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007590 + ... + 1007642.

It is an arithmetic number, because the mean of its divisors is an integer number (1327023).

Almost surely, 2^53403648 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 53403648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74313288).

53403648 is an abundant number, since it is smaller than the sum of its proper divisors (95222928).

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

53403648 is an equidigital number, since it uses as much as digits as its factorization.

53403648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 53403648 is about 7307.7799638467. The cubic root of 53403648 is about 376.5797604951.

The spelling of 53403648 in words is "fifty-three million, four hundred three thousand, six hundred forty-eight".