53571330 has 48 divisors (see below), whose sum is σ = 140662080. Its totient is φ = 14144544.

The previous prime is 53571313. The next prime is 53571367. The reversal of 53571330 is 3317535.

It is a junction number, because it is equal to n+sod(n) for n = 53571294 and 53571303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6381 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (2930460).

Almost surely, 2^53571330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53571330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70331040).

53571330 is an abundant number, since it is smaller than the sum of its proper divisors (87090750).

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

53571330 is a wasteful number, since it uses less digits than its factorization.

53571330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895 (or 5892 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 53571330 is about 7319.2438134004. The cubic root of 53571330 is about 376.9734893539.

Adding to 53571330 its reverse (3317535), we get a palindrome (56888865).

The spelling of 53571330 in words is "fifty-three million, five hundred seventy-one thousand, three hundred thirty".