53333885 has 16 divisors (see below), whose sum is σ = 70198272. Its totient is φ = 38577600.

The previous prime is 53333867. The next prime is 53333921. The reversal of 53333885 is 58833335.

It is not a de Polignac number, because 53333885 - 2⁶ = 53333821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7967 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (4387392).

Almost surely, 2^53333885 is an apocalyptic number.

53333885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53333885 is a deficient number, since it is larger than the sum of its proper divisors (16864387).

53333885 is a wasteful number, since it uses less digits than its factorization.

53333885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284.

The product of its digits is 129600, while the sum is 38.

The square root of 53333885 is about 7303.0052033392. The cubic root of 53333885 is about 376.4157093935.

The spelling of 53333885 in words is "fifty-three million, three hundred thirty-three thousand, eight hundred eighty-five".