53333020 has 72 divisors (see below), whose sum is σ = 125435520. Its totient is φ = 19019520.

The previous prime is 53333003. The next prime is 53333023. The reversal of 53333020 is 2033335.

53333020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53333020² = 5688822044640800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53333023) 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 23 ways as a sum of consecutive naturals, for example, 104526 + ... + 105034.

It is an arithmetic number, because the mean of its divisors is an integer number (1742160).

Almost surely, 2^53333020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53333020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62717760).

53333020 is an abundant number, since it is smaller than the sum of its proper divisors (72102500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53333020 is a wasteful number, since it uses less digits than its factorization.

53333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 53333020 is about 7302.9459809039. The cubic root of 53333020 is about 376.4136744061.

Adding to 53333020 its reverse (2033335), we get a palindrome (55366355).

The spelling of 53333020 in words is "fifty-three million, three hundred thirty-three thousand, twenty".