53429999 has 8 divisors (see below), whose sum is σ = 61114368. Its totient is φ = 45758520.

The previous prime is 53429969. The next prime is 53430001. The reversal of 53429999 is 99992435.

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

It is a cyclic number.

It is not a de Polignac number, because 53429999 - 2¹² = 53425903 is a prime.

53429999 is a modest number, since divided by 9999 gives 5342 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53429939) 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, 8534 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (7639296).

Almost surely, 2^53429999 is an apocalyptic number.

53429999 is a deficient number, since it is larger than the sum of its proper divisors (7684369).

53429999 is a wasteful number, since it uses less digits than its factorization.

53429999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445.

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

The square root of 53429999 is about 7309.5826830264. The cubic root of 53429999 is about 376.6416889834.

The spelling of 53429999 in words is "fifty-three million, four hundred twenty-nine thousand, nine hundred ninety-nine".