53366545 has 4 divisors (see below), whose sum is σ = 64039860. Its totient is φ = 42693232.

The previous prime is 53366539. The next prime is 53366557. The reversal of 53366545 is 54566335.

53366545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54566335 = 5 ⋅10913267.

It can be written as a sum of positive squares in 2 ways, for example, as 6594624 + 46771921 = 2568^2 + 6839^2 .

It is a cyclic number.

It is not a de Polignac number, because 53366545 - 2⁵ = 53366513 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5336650 + ... + 5336659.

It is an arithmetic number, because the mean of its divisors is an integer number (16009965).

Almost surely, 2^53366545 is an apocalyptic number.

It is an amenable number.

53366545 is a deficient number, since it is larger than the sum of its proper divisors (10673315).

53366545 is a wasteful number, since it uses less digits than its factorization.

53366545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673314.

The product of its digits is 162000, while the sum is 37.

The square root of 53366545 is about 7305.2409268963. The cubic root of 53366545 is about 376.4925287769.

It can be divided in two parts, 5336 and 6545, that added together give a square (11881 = 109²).

The spelling of 53366545 in words is "fifty-three million, three hundred sixty-six thousand, five hundred forty-five".