53398602 has 40 divisors (see below), whose sum is σ = 120752676. Its totient is φ = 17635968.

The previous prime is 53398589. The next prime is 53398619. The reversal of 53398602 is 20689335.

53398602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53275401 + 123201 = 7299^2 + 351^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 16848 + ... + 19764.

Almost surely, 2^53398602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53398602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60376338).

53398602 is an abundant number, since it is smaller than the sum of its proper divisors (67354074).

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

53398602 is a wasteful number, since it uses less digits than its factorization.

53398602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53398602 is about 7307.4347072006. The cubic root of 53398602 is about 376.5678993745.

The spelling of 53398602 in words is "fifty-three million, three hundred ninety-eight thousand, six hundred two".