53315361 has 32 divisors (see below), whose sum is σ = 87177600. Its totient is φ = 31933440.

The previous prime is 53315359. The next prime is 53315363. The reversal of 53315361 is 16351335.

It is an interprime number because it is at equal distance from previous prime (53315359) and next prime (53315363).

It is not a de Polignac number, because 53315361 - 2¹ = 53315359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53315363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25425 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (2724300).

Almost surely, 2^53315361 is an apocalyptic number.

It is an amenable number.

53315361 is a deficient number, since it is larger than the sum of its proper divisors (33862239).

53315361 is a wasteful number, since it uses less digits than its factorization.

53315361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2120 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 53315361 is about 7301.7368481752. The cubic root of 53315361 is about 376.3721252692.

Adding to 53315361 its reverse (16351335), we get a palindrome (69666696).

The spelling of 53315361 in words is "fifty-three million, three hundred fifteen thousand, three hundred sixty-one".