53433381 has 8 divisors (see below), whose sum is σ = 72588960. Its totient is φ = 34950032.

The previous prime is 53433361. The next prime is 53433383. The reversal of 53433381 is 18333435.

53433381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53433381 - 2⁵ = 53433349 is a prime.

It is a super-2 number, since 2×53433381² = 5710252410182322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53433383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167871 + ... + 168188.

It is an arithmetic number, because the mean of its divisors is an integer number (9073620).

Almost surely, 2^53433381 is an apocalyptic number.

It is an amenable number.

53433381 is a deficient number, since it is larger than the sum of its proper divisors (19155579).

53433381 is a wasteful number, since it uses less digits than its factorization.

53433381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336115.

The product of its digits is 12960, while the sum is 30.

The square root of 53433381 is about 7309.8140195220. The cubic root of 53433381 is about 376.6496356759.

The spelling of 53433381 in words is "fifty-three million, four hundred thirty-three thousand, three hundred eighty-one".