53891353 has 4 divisors (see below), whose sum is σ = 56727760. Its totient is φ = 51054948.

The previous prime is 53891347. The next prime is 53891371. The reversal of 53891353 is 35319835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53891353 - 2¹³ = 53883161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53891303) 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, 1418175 + ... + 1418212.

It is an arithmetic number, because the mean of its divisors is an integer number (14181940).

Almost surely, 2^53891353 is an apocalyptic number.

It is an amenable number.

53891353 is a deficient number, since it is larger than the sum of its proper divisors (2836407).

53891353 is a wasteful number, since it uses less digits than its factorization.

53891353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836406.

The product of its digits is 48600, while the sum is 37.

The square root of 53891353 is about 7341.0730142126. The cubic root of 53891353 is about 377.7226509879.

The spelling of 53891353 in words is "fifty-three million, eight hundred ninety-one thousand, three hundred fifty-three".