53017393 has 16 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 44268480.

The previous prime is 53017379. The next prime is 53017399. The reversal of 53017393 is 39371035.

It is a cyclic number.

It is not a de Polignac number, because 53017393 - 2¹⁷ = 52886321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53017399) 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, 31938 + ... + 33556.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^53017393 is an apocalyptic number.

It is an amenable number.

53017393 is a deficient number, since it is larger than the sum of its proper divisors (9579407).

53017393 is a wasteful number, since it uses less digits than its factorization.

53017393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 53017393 is about 7281.3043474367. The cubic root of 53017393 is about 375.6696609143.

The spelling of 53017393 in words is "fifty-three million, seventeen thousand, three hundred ninety-three".