53945599 has 4 divisors (see below), whose sum is σ = 54307800. Its totient is φ = 53583400.

The previous prime is 53945569. The next prime is 53945609. The reversal of 53945599 is 99554935.

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

It is a cyclic number.

It is not a de Polignac number, because 53945599 - 2¹¹ = 53943551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53945569) 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 3 ways as a sum of consecutive naturals, for example, 180877 + ... + 181174.

It is an arithmetic number, because the mean of its divisors is an integer number (13576950).

Almost surely, 2^53945599 is an apocalyptic number.

53945599 is a deficient number, since it is larger than the sum of its proper divisors (362201).

53945599 is a wasteful number, since it uses less digits than its factorization.

53945599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362200.

The product of its digits is 1093500, while the sum is 49.

The square root of 53945599 is about 7344.7667764198. The cubic root of 53945599 is about 377.8493446081.

The spelling of 53945599 in words is "fifty-three million, nine hundred forty-five thousand, five hundred ninety-nine".