53401843353 has 4 divisors (see below), whose sum is σ = 71202457808. Its totient is φ = 35601228900.

The previous prime is 53401843333. The next prime is 53401843361. The reversal of 53401843353 is 35334810435.

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 not a de Polignac number, because 53401843353 - 2⁵ = 53401843321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53401843333) 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, 8900307223 + ... + 8900307228.

It is an arithmetic number, because the mean of its divisors is an integer number (17800614452).

Almost surely, 2^53401843353 is an apocalyptic number.

It is an amenable number.

53401843353 is a deficient number, since it is larger than the sum of its proper divisors (17800614455).

53401843353 is a wasteful number, since it uses less digits than its factorization.

53401843353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800614454.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 53401843353 in words is "fifty-three billion, four hundred one million, eight hundred forty-three thousand, three hundred fifty-three".