53859959 has 4 divisors (see below), whose sum is σ = 53877504. Its totient is φ = 53842416.

The previous prime is 53859941. The next prime is 53859973. The reversal of 53859959 is 95995835.

It is a happy number.

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 53859959 - 2¹⁶ = 53794423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53859959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53859259) 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, 2822 + ... + 10755.

It is an arithmetic number, because the mean of its divisors is an integer number (13469376).

Almost surely, 2^53859959 is an apocalyptic number.

53859959 is a deficient number, since it is larger than the sum of its proper divisors (17545).

53859959 is a wasteful number, since it uses less digits than its factorization.

53859959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17544.

The product of its digits is 2187000, while the sum is 53.

The square root of 53859959 is about 7338.9344594430. The cubic root of 53859959 is about 377.6492902498.

The spelling of 53859959 in words is "fifty-three million, eight hundred fifty-nine thousand, nine hundred fifty-nine".