53353380 has 48 divisors (see below), whose sum is σ = 149768640. Its totient is φ = 14191488.

The previous prime is 53353369. The next prime is 53353381. The reversal of 53353380 is 8335335.

53353380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53353381) 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 15 ways as a sum of consecutive naturals, for example, 29667 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (3120180).

Almost surely, 2^53353380 is an apocalyptic number.

It is an amenable number.

53353380 is an abundant number, since it is smaller than the sum of its proper divisors (96415260).

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

53353380 is a wasteful number, since it uses less digits than its factorization.

53353380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 53353380 is about 7304.3398058962. The cubic root of 53353380 is about 376.4615672337.

The spelling of 53353380 in words is "fifty-three million, three hundred fifty-three thousand, three hundred eighty".