53453345 has 16 divisors (see below), whose sum is σ = 71869248. Its totient is φ = 37823040.

The previous prime is 53453339. The next prime is 53453369. The reversal of 53453345 is 54335435.

It is not a de Polignac number, because 53453345 - 2⁴ = 53453329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11099 + ... + 15168.

It is an arithmetic number, because the mean of its divisors is an integer number (4491828).

Almost surely, 2^53453345 is an apocalyptic number.

53453345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53453345 is a deficient number, since it is larger than the sum of its proper divisors (18415903).

53453345 is a wasteful number, since it uses less digits than its factorization.

53453345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26320.

The product of its digits is 54000, while the sum is 32.

The square root of 53453345 is about 7311.1794534124. The cubic root of 53453345 is about 376.6965382980.

The spelling of 53453345 in words is "fifty-three million, four hundred fifty-three thousand, three hundred forty-five".