53896243 has 4 divisors (see below), whose sum is σ = 55149688. Its totient is φ = 52642800.

The previous prime is 53896231. The next prime is 53896253. The reversal of 53896243 is 34269835.

53896243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34269835 = 5 ⋅6853967.

It is a cyclic number.

It is not a de Polignac number, because 53896243 - 2⁹ = 53895731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53896196 and 53896205.

It is not an unprimeable number, because it can be changed into a prime (53896253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626658 + ... + 626743.

It is an arithmetic number, because the mean of its divisors is an integer number (13787422).

Almost surely, 2^53896243 is an apocalyptic number.

53896243 is a deficient number, since it is larger than the sum of its proper divisors (1253445).

53896243 is a wasteful number, since it uses less digits than its factorization.

53896243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253444.

The product of its digits is 155520, while the sum is 40.

The square root of 53896243 is about 7341.4060642359. The cubic root of 53896243 is about 377.7340752566.

The spelling of 53896243 in words is "fifty-three million, eight hundred ninety-six thousand, two hundred forty-three".