53389360 has 20 divisors (see below), whose sum is σ = 124130448. Its totient is φ = 21355712.

The previous prime is 53389337. The next prime is 53389379. The reversal of 53389360 is 6398335.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×53389360² = 5700847522419200, which contains 22 as substring.

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, 333604 + ... + 333763.

Almost surely, 2^53389360 is an apocalyptic number.

It is an amenable number.

53389360 is an abundant number, since it is smaller than the sum of its proper divisors (70741088).

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

53389360 is a wasteful number, since it uses less digits than its factorization.

53389360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667380 (or 667374 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 53389360 is about 7306.8023101765. The cubic root of 53389360 is about 376.5461732044.

Subtracting from 53389360 its reverse (6398335), we obtain a square (46991025 = 6855²).

The spelling of 53389360 in words is "fifty-three million, three hundred eighty-nine thousand, three hundred sixty".