53911345 has 4 divisors (see below), whose sum is σ = 64693620. Its totient is φ = 43129072.

The previous prime is 53911343. The next prime is 53911357. The reversal of 53911345 is 54311935.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39841344 + 14070001 = 6312^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 53911345 - 2¹ = 53911343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53911343) 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, 5391130 + ... + 5391139.

It is an arithmetic number, because the mean of its divisors is an integer number (16173405).

Almost surely, 2^53911345 is an apocalyptic number.

It is an amenable number.

53911345 is a deficient number, since it is larger than the sum of its proper divisors (10782275).

53911345 is a wasteful number, since it uses less digits than its factorization.

53911345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782274.

The product of its digits is 8100, while the sum is 31.

The square root of 53911345 is about 7342.4345417579. The cubic root of 53911345 is about 377.7693529615.

The spelling of 53911345 in words is "fifty-three million, nine hundred eleven thousand, three hundred forty-five".