53457313 has 16 divisors (see below), whose sum is σ = 68656896. Its totient is φ = 40455360.

The previous prime is 53457281. The next prime is 53457343. The reversal of 53457313 is 31375435.

It is a cyclic number.

It is not a de Polignac number, because 53457313 - 2⁵ = 53457281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53457343) 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, 10678 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (4291056).

Almost surely, 2^53457313 is an apocalyptic number.

It is an amenable number.

53457313 is a deficient number, since it is larger than the sum of its proper divisors (15199583).

53457313 is a wasteful number, since it uses less digits than its factorization.

53457313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25584.

The product of its digits is 18900, while the sum is 31.

The square root of 53457313 is about 7311.4508136211. The cubic root of 53457313 is about 376.7058591670.

The spelling of 53457313 in words is "fifty-three million, four hundred fifty-seven thousand, three hundred thirteen".