53223445 has 8 divisors (see below), whose sum is σ = 69674400. Its totient is φ = 38707920.

The previous prime is 53223437. The next prime is 53223451. The reversal of 53223445 is 54432235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53223445 - 2³ = 53223437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483795 + ... + 483904.

It is an arithmetic number, because the mean of its divisors is an integer number (8709300).

Almost surely, 2^53223445 is an apocalyptic number.

53223445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53223445 is a deficient number, since it is larger than the sum of its proper divisors (16450955).

53223445 is a wasteful number, since it uses less digits than its factorization.

53223445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967715.

The product of its digits is 14400, while the sum is 28.

The square root of 53223445 is about 7295.4400141458. The cubic root of 53223445 is about 376.1557115933.

The spelling of 53223445 in words is "fifty-three million, two hundred twenty-three thousand, four hundred forty-five".