53105383 has 4 divisors (see below), whose sum is σ = 53832928. Its totient is φ = 52377840.

The previous prime is 53105363. The next prime is 53105389. The reversal of 53105383 is 38350135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38350135 = 5 ⋅7670027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53105383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53105389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363663 + ... + 363808.

It is an arithmetic number, because the mean of its divisors is an integer number (13458232).

Almost surely, 2^53105383 is an apocalyptic number.

53105383 is a deficient number, since it is larger than the sum of its proper divisors (727545).

53105383 is an equidigital number, since it uses as much as digits as its factorization.

53105383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727544.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53105383 is about 7287.3440292057. The cubic root of 53105383 is about 375.8773720184.

The spelling of 53105383 in words is "fifty-three million, one hundred five thousand, three hundred eighty-three".