53445363 has 4 divisors (see below), whose sum is σ = 71260488. Its totient is φ = 35630240.

The previous prime is 53445349. The next prime is 53445377. The reversal of 53445363 is 36354435.

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

It is an interprime number because it is at equal distance from previous prime (53445349) and next prime (53445377).

It is a cyclic number.

It is not a de Polignac number, because 53445363 - 2⁶ = 53445299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53445313) 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, 8907558 + ... + 8907563.

It is an arithmetic number, because the mean of its divisors is an integer number (17815122).

Almost surely, 2^53445363 is an apocalyptic number.

53445363 is a deficient number, since it is larger than the sum of its proper divisors (17815125).

53445363 is a wasteful number, since it uses less digits than its factorization.

53445363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17815124.

The product of its digits is 64800, while the sum is 33.

The square root of 53445363 is about 7310.6335566762. The cubic root of 53445363 is about 376.6777871083.

Adding to 53445363 its reverse (36354435), we get a palindrome (89799798).

The spelling of 53445363 in words is "fifty-three million, four hundred forty-five thousand, three hundred sixty-three".