53405033 has 16 divisors (see below), whose sum is σ = 60518400. Its totient is φ = 46688400.

The previous prime is 53405003. The next prime is 53405039. The reversal of 53405033 is 33050435.

It is not a de Polignac number, because 53405033 - 2⁶ = 53404969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53405039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67466 + ... + 68252.

It is an arithmetic number, because the mean of its divisors is an integer number (3782400).

Almost surely, 2^53405033 is an apocalyptic number.

It is an amenable number.

53405033 is a deficient number, since it is larger than the sum of its proper divisors (7113367).

53405033 is a wasteful number, since it uses less digits than its factorization.

53405033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53405033 is about 7307.8747252536. The cubic root of 53405033 is about 376.5830159435.

Adding to 53405033 its reverse (33050435), we get a palindrome (86455468).

The spelling of 53405033 in words is "fifty-three million, four hundred five thousand, thirty-three".