53223545 has 16 divisors (see below), whose sum is σ = 64800000. Its totient is φ = 41963328.

The previous prime is 53223539. The next prime is 53223553. The reversal of 53223545 is 54532235.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53223545 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148076 + ... + 148434.

It is an arithmetic number, because the mean of its divisors is an integer number (4050000).

Almost surely, 2^53223545 is an apocalyptic number.

It is an amenable number.

53223545 is a deficient number, since it is larger than the sum of its proper divisors (11576455).

53223545 is a wasteful number, since it uses less digits than its factorization.

53223545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 18000, while the sum is 29.

The square root of 53223545 is about 7295.4468677388. The cubic root of 53223545 is about 376.1559471758.

The spelling of 53223545 in words is "fifty-three million, two hundred twenty-three thousand, five hundred forty-five".