53850047 has 4 divisors (see below), whose sum is σ = 56684280. Its totient is φ = 51015816.

The previous prime is 53850029. The next prime is 53850053. The reversal of 53850047 is 74005835.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53850047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53849995 and 53850022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53850077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417088 + ... + 1417125.

It is an arithmetic number, because the mean of its divisors is an integer number (14171070).

Almost surely, 2^53850047 is an apocalyptic number.

53850047 is a deficient number, since it is larger than the sum of its proper divisors (2834233).

53850047 is a wasteful number, since it uses less digits than its factorization.

53850047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834232.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 53850047 is about 7338.2591259780. The cubic root of 53850047 is about 377.6261222076.

The spelling of 53850047 in words is "fifty-three million, eight hundred fifty thousand, forty-seven".