53897388 has 24 divisors (see below), whose sum is σ = 126120960. Its totient is φ = 17914320.

The previous prime is 53897383. The next prime is 53897407. The reversal of 53897388 is 88379835.

It is a happy number.

53897388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53897388.

It is not an unprimeable number, because it can be changed into a prime (53897383) 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, 1948 + ... + 10563.

It is an arithmetic number, because the mean of its divisors is an integer number (5255040).

Almost surely, 2^53897388 is an apocalyptic number.

It is an amenable number.

53897388 is an abundant number, since it is smaller than the sum of its proper divisors (72223572).

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

53897388 is a wasteful number, since it uses less digits than its factorization.

53897388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12877 (or 12875 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 53897388 is about 7341.4840461585. The cubic root of 53897388 is about 377.7367501645.

It can be divided in two parts, 53897 and 388, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 53897388 in words is "fifty-three million, eight hundred ninety-seven thousand, three hundred eighty-eight".