53543455 has 16 divisors (see below), whose sum is σ = 77751360. Its totient is φ = 34555392.

The previous prime is 53543453. The next prime is 53543467. The reversal of 53543455 is 55434535.

It is a cyclic number.

It is not a de Polignac number, because 53543455 - 2¹ = 53543453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53543455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53543453) by changing a digit.

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, 44400 + ... + 45589.

It is an arithmetic number, because the mean of its divisors is an integer number (4859460).

Almost surely, 2^53543455 is an apocalyptic number.

53543455 is a deficient number, since it is larger than the sum of its proper divisors (24207905).

53543455 is a wasteful number, since it uses less digits than its factorization.

53543455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90018.

The product of its digits is 90000, while the sum is 34.

The square root of 53543455 is about 7317.3393388581. The cubic root of 53543455 is about 376.9080939323.

The spelling of 53543455 in words is "fifty-three million, five hundred forty-three thousand, four hundred fifty-five".