53189304 has 96 divisors (see below), whose sum is σ = 159782400. Its totient is φ = 14696640.

The previous prime is 53189299. The next prime is 53189309. The reversal of 53189304 is 40398135.

It is an interprime number because it is at equal distance from previous prime (53189299) and next prime (53189309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53189309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35727 + ... + 37185.

It is an arithmetic number, because the mean of its divisors is an integer number (1664400).

Almost surely, 2^53189304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53189304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79891200).

53189304 is an abundant number, since it is smaller than the sum of its proper divisors (106593096).

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

53189304 is a wasteful number, since it uses less digits than its factorization.

53189304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 53189304 is about 7293.0997525058. The cubic root of 53189304 is about 376.0752640944.

The spelling of 53189304 in words is "fifty-three million, one hundred eighty-nine thousand, three hundred four".