53999429 has 8 divisors (see below), whose sum is σ = 62373888. Its totient is φ = 46202560.

The previous prime is 53999417. The next prime is 53999431. The reversal of 53999429 is 92499935.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53999429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53999459) 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 7 ways as a sum of consecutive naturals, for example, 144197 + ... + 144570.

It is an arithmetic number, because the mean of its divisors is an integer number (7796736).

Almost surely, 2^53999429 is an apocalyptic number.

It is an amenable number.

53999429 is a deficient number, since it is larger than the sum of its proper divisors (8374459).

53999429 is a wasteful number, since it uses less digits than its factorization.

53999429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288795.

The product of its digits is 787320, while the sum is 50.

The square root of 53999429 is about 7348.4303766179. The cubic root of 53999429 is about 377.9749827139.

The spelling of 53999429 in words is "fifty-three million, nine hundred ninety-nine thousand, four hundred twenty-nine".