53947399 has 8 divisors (see below), whose sum is σ = 60104448. Its totient is φ = 47999160.

The previous prime is 53947391. The next prime is 53947447. The reversal of 53947399 is 99374935.

53947399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53947399 - 2³ = 53947391 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 (53947391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51657 + ... + 52690.

It is an arithmetic number, because the mean of its divisors is an integer number (7513056).

Almost surely, 2^53947399 is an apocalyptic number.

53947399 is a deficient number, since it is larger than the sum of its proper divisors (6157049).

53947399 is a wasteful number, since it uses less digits than its factorization.

53947399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104405.

The product of its digits is 918540, while the sum is 49.

The square root of 53947399 is about 7344.8893116234. The cubic root of 53947399 is about 377.8535471212.

The spelling of 53947399 in words is "fifty-three million, nine hundred forty-seven thousand, three hundred ninety-nine".