53730330 has 64 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 13708800.

The previous prime is 53730293. The next prime is 53730361. The reversal of 53730330 is 3303735.

It is a self number, because there is not a number n which added to its sum of digits gives 53730330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131166 + ... + 131574.

It is an arithmetic number, because the mean of its divisors is an integer number (2103300).

Almost surely, 2^53730330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53730330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67305600).

53730330 is an abundant number, since it is smaller than the sum of its proper divisors (80880870).

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

53730330 is a wasteful number, since it uses less digits than its factorization.

53730330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 2835, while the sum is 24.

The square root of 53730330 is about 7330.0975436893. The cubic root of 53730330 is about 377.3460741105.

The spelling of 53730330 in words is "fifty-three million, seven hundred thirty thousand, three hundred thirty".