53305552 has 20 divisors (see below), whose sum is σ = 105682720. Its totient is φ = 26032608.

The previous prime is 53305547. The next prime is 53305561. The reversal of 53305552 is 25550335.

It is a self number, because there is not a number n which added to its sum of digits gives 53305552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38052 + ... + 39427.

It is an arithmetic number, because the mean of its divisors is an integer number (5284136).

Almost surely, 2^53305552 is an apocalyptic number.

It is an amenable number.

53305552 is a deficient number, since it is larger than the sum of its proper divisors (52377168).

53305552 is a wasteful number, since it uses less digits than its factorization.

53305552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77530 (or 77524 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 53305552 is about 7301.0651277742. The cubic root of 53305552 is about 376.3490421118.

Adding to 53305552 its reverse (25550335), we get a palindrome (78855887).

The spelling of 53305552 in words is "fifty-three million, three hundred five thousand, five hundred fifty-two".