53330331 has 8 divisors (see below), whose sum is σ = 71578624. Its totient is φ = 35317800.

The previous prime is 53330317. The next prime is 53330419. The reversal of 53330331 is 13303335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53330331 - 2⁷ = 53330203 is a prime.

It is a super-2 number, since 2×53330331² = 5688248409139122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53330298 and 53330307.

It is not an unprimeable number, because it can be changed into a prime (53310331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58411 + ... + 59316.

It is an arithmetic number, because the mean of its divisors is an integer number (8947328).

Almost surely, 2^53330331 is an apocalyptic number.

53330331 is a deficient number, since it is larger than the sum of its proper divisors (18248293).

53330331 is a wasteful number, since it uses less digits than its factorization.

53330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117881.

The product of its (nonzero) digits is 1215, while the sum is 21.

The square root of 53330331 is about 7302.7618747978. The cubic root of 53330331 is about 376.4073481603.

Adding to 53330331 its reverse (13303335), we get a palindrome (66633666).

The spelling of 53330331 in words is "fifty-three million, three hundred thirty thousand, three hundred thirty-one".