53397333 has 32 divisors (see below), whose sum is σ = 86906880. Its totient is φ = 32134320.

The previous prime is 53397319. The next prime is 53397367. The reversal of 53397333 is 33379335.

53397333 is a `hidden beast` number, since 533 + 97 + 3 + 33 = 666.

It is not a de Polignac number, because 53397333 - 2⁴ = 53397317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53397373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47860 + ... + 48962.

It is an arithmetic number, because the mean of its divisors is an integer number (2715840).

Almost surely, 2^53397333 is an apocalyptic number.

It is an amenable number.

53397333 is a deficient number, since it is larger than the sum of its proper divisors (33509547).

53397333 is a wasteful number, since it uses less digits than its factorization.

53397333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1280 counting only the distinct ones).

The product of its digits is 76545, while the sum is 36.

The square root of 53397333 is about 7307.3478773082. The cubic root of 53397333 is about 376.5649163473.

It can be divided in two parts, 53 and 397333, that added together give a triangular number (397386 = T₈₉₁).

The spelling of 53397333 in words is "fifty-three million, three hundred ninety-seven thousand, three hundred thirty-three".