53404999 has 8 divisors (see below), whose sum is σ = 54158720. Its totient is φ = 52655616.

The previous prime is 53404997. The next prime is 53405003. The reversal of 53404999 is 99940435.

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 53404999 - 2¹ = 53404997 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 (53404997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29482 + ... + 31240.

It is an arithmetic number, because the mean of its divisors is an integer number (6769840).

Almost surely, 2^53404999 is an apocalyptic number.

53404999 is a deficient number, since it is larger than the sum of its proper divisors (753721).

53404999 is a wasteful number, since it uses less digits than its factorization.

53404999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 53404999 is about 7307.8723989955. The cubic root of 53404999 is about 376.5829360270.

The spelling of 53404999 in words is "fifty-three million, four hundred four thousand, nine hundred ninety-nine".