53403383 has 16 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 47218080.

The previous prime is 53403331. The next prime is 53403391. The reversal of 53403383 is 38330435.

It is a cyclic number.

It is not a de Polignac number, because 53403383 - 2⁸ = 53403127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403323) 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 15 ways as a sum of consecutive naturals, for example, 80708 + ... + 81366.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^53403383 is an apocalyptic number.

53403383 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53403383 is a deficient number, since it is larger than the sum of its proper divisors (6471817).

53403383 is a wasteful number, since it uses less digits than its factorization.

53403383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 53403383 is about 7307.7618324628. The cubic root of 53403383 is about 376.5791376050.

The spelling of 53403383 in words is "fifty-three million, four hundred three thousand, three hundred eighty-three".