53347331 has 4 divisors (see below), whose sum is σ = 53367600. Its totient is φ = 53327064.

The previous prime is 53347321. The next prime is 53347339. The reversal of 53347331 is 13374335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53347331 - 2⁶ = 53347267 is a prime.

It is a super-2 number, since 2×53347331² = 5691875449647122, 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 = 53347294 and 53347303.

It is not an unprimeable number, because it can be changed into a prime (53347339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5471 + ... + 11688.

It is an arithmetic number, because the mean of its divisors is an integer number (13341900).

Almost surely, 2^53347331 is an apocalyptic number.

53347331 is a deficient number, since it is larger than the sum of its proper divisors (20269).

53347331 is a wasteful number, since it uses less digits than its factorization.

53347331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268.

The product of its digits is 11340, while the sum is 29.

The square root of 53347331 is about 7303.9257252521. The cubic root of 53347331 is about 376.4473394435.

The spelling of 53347331 in words is "fifty-three million, three hundred forty-seven thousand, three hundred thirty-one".