53355343 has 4 divisors (see below), whose sum is σ = 53553960. Its totient is φ = 53156728.

The previous prime is 53355329. The next prime is 53355349. The reversal of 53355343 is 34355335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53355343 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 (53355349) 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, 98905 + ... + 99442.

It is an arithmetic number, because the mean of its divisors is an integer number (13388490).

Almost surely, 2^53355343 is an apocalyptic number.

53355343 is a deficient number, since it is larger than the sum of its proper divisors (198617).

53355343 is a wasteful number, since it uses less digits than its factorization.

53355343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198616.

The product of its digits is 40500, while the sum is 31.

The square root of 53355343 is about 7304.4741768316. The cubic root of 53355343 is about 376.4661841545.

The spelling of 53355343 in words is "fifty-three million, three hundred fifty-five thousand, three hundred forty-three".