53120331 has 18 divisors (see below), whose sum is σ = 84340620. Its totient is φ = 32193480.

The previous prime is 53120323. The next prime is 53120339. The reversal of 53120331 is 13302135.

53120331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53120323) and next prime (53120339).

It is not a de Polignac number, because 53120331 - 2³ = 53120323 is a prime.

It is a super-2 number, since 2×53120331² = 5643539131099122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53120339) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 23301 + ... + 25478.

It is an arithmetic number, because the mean of its divisors is an integer number (4685590).

Almost surely, 2^53120331 is an apocalyptic number.

53120331 is a deficient number, since it is larger than the sum of its proper divisors (31220289).

53120331 is a wasteful number, since it uses less digits than its factorization.

53120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48807 (or 48793 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53120331 is about 7288.3695707614. The cubic root of 53120331 is about 375.9126357873.

Adding to 53120331 its reverse (13302135), we get a palindrome (66422466).

The spelling of 53120331 in words is "fifty-three million, one hundred twenty thousand, three hundred thirty-one".