53065552 has 40 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 25347840.

The previous prime is 53065513. The next prime is 53065559. The reversal of 53065552 is 25556035.

53065552 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 not an unprimeable number, because it can be changed into a prime (53065559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40524 + ... + 41812.

It is an arithmetic number, because the mean of its divisors is an integer number (2687328).

Almost surely, 2^53065552 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 53065552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53746560).

53065552 is an abundant number, since it is smaller than the sum of its proper divisors (54427568).

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

53065552 is a wasteful number, since it uses less digits than its factorization.

53065552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 53065552 is about 7284.6106278922. The cubic root of 53065552 is about 375.7833745402.

The spelling of 53065552 in words is "fifty-three million, sixty-five thousand, five hundred fifty-two".