53398338 has 48 divisors (see below), whose sum is σ = 128537280. Its totient is φ = 14728224.

The previous prime is 53398327. The next prime is 53398339. The reversal of 53398338 is 83389335.

53398338 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 (42).

It is a self number, because there is not a number n which added to its sum of digits gives 53398338.

It is not an unprimeable number, because it can be changed into a prime (53398339) 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 23 ways as a sum of consecutive naturals, for example, 5395 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (2677860).

Almost surely, 2^53398338 is an apocalyptic number.

53398338 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53398338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64268640).

53398338 is an abundant number, since it is smaller than the sum of its proper divisors (75138942).

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

53398338 is a wasteful number, since it uses less digits than its factorization.

53398338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311 (or 6304 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 53398338 is about 7307.4166433836. The cubic root of 53398338 is about 376.5672787959.

The spelling of 53398338 in words is "fifty-three million, three hundred ninety-eight thousand, three hundred thirty-eight".