53897400 has 144 divisors (see below), whose sum is σ = 187878600. Its totient is φ = 14359680.

The previous prime is 53897383. The next prime is 53897407. The reversal of 53897400 is 479835.

53897400 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53897407) 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 35 ways as a sum of consecutive naturals, for example, 48046 + ... + 49154.

Almost surely, 2^53897400 is an apocalyptic number.

53897400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53897400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93939300).

53897400 is an abundant number, since it is smaller than the sum of its proper divisors (133981200).

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

53897400 is a wasteful number, since it uses less digits than its factorization.

53897400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53897400 is about 7341.4848634319. The cubic root of 53897400 is about 377.7367781982.

The spelling of 53897400 in words is "fifty-three million, eight hundred ninety-seven thousand, four hundred".