53443305 has 12 divisors (see below), whose sum is σ = 92635140. Its totient is φ = 28503072.

The previous prime is 53443303. The next prime is 53443307. The reversal of 53443305 is 50334435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53443303) and next prime (53443307).

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 14953689 = 6204^2 + 3867^2 .

It is not a de Polignac number, because 53443305 - 2¹ = 53443303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53443303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593770 + ... + 593859.

It is an arithmetic number, because the mean of its divisors is an integer number (7719595).

Almost surely, 2^53443305 is an apocalyptic number.

It is an amenable number.

53443305 is a deficient number, since it is larger than the sum of its proper divisors (39191835).

53443305 is a wasteful number, since it uses less digits than its factorization.

53443305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187640 (or 1187637 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53443305 is about 7310.4928014464. The cubic root of 53443305 is about 376.6729521841.

It can be divided in two parts, 5344 and 3305, that added together give a square (8649 = 93²).

The spelling of 53443305 in words is "fifty-three million, four hundred forty-three thousand, three hundred five".