53646313 has 16 divisors (see below), whose sum is σ = 62538880. Its totient is φ = 45069696.

The previous prime is 53646289. The next prime is 53646331. The reversal of 53646313 is 31364635.

It is not a de Polignac number, because 53646313 - 2²¹ = 51549161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53646343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141358 + ... + 141736.

It is an arithmetic number, because the mean of its divisors is an integer number (3908680).

Almost surely, 2^53646313 is an apocalyptic number.

It is an amenable number.

53646313 is a deficient number, since it is larger than the sum of its proper divisors (8892567).

53646313 is a wasteful number, since it uses less digits than its factorization.

53646313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its digits is 19440, while the sum is 31.

The square root of 53646313 is about 7324.3643410196. The cubic root of 53646313 is about 377.1492887680.

The spelling of 53646313 in words is "fifty-three million, six hundred forty-six thousand, three hundred thirteen".