53338720 has 24 divisors (see below), whose sum is σ = 126013104. Its totient is φ = 21335424.

The previous prime is 53338711. The next prime is 53338729. The reversal of 53338720 is 2783335.

It is an interprime number because it is at equal distance from previous prime (53338711) and next prime (53338729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53338729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166524 + ... + 166843.

It is an arithmetic number, because the mean of its divisors is an integer number (5250546).

Almost surely, 2^53338720 is an apocalyptic number.

It is an amenable number.

53338720 is an abundant number, since it is smaller than the sum of its proper divisors (72674384).

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

53338720 is a wasteful number, since it uses less digits than its factorization.

53338720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333382 (or 333374 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 53338720 is about 7303.3362239459. The cubic root of 53338720 is about 376.4270837443.

The spelling of 53338720 in words is "fifty-three million, three hundred thirty-eight thousand, seven hundred twenty".