53559330 has 64 divisors (see below), whose sum is σ = 141609600. Its totient is φ = 12856320.

The previous prime is 53559287. The next prime is 53559343. The reversal of 53559330 is 3395535.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 53559291 and 53559300.

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, 35226 + ... + 36714.

It is an arithmetic number, because the mean of its divisors is an integer number (2212650).

Almost surely, 2^53559330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53559330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70804800).

53559330 is an abundant number, since it is smaller than the sum of its proper divisors (88050270).

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

53559330 is a wasteful number, since it uses less digits than its factorization.

53559330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 30375, while the sum is 33.

The square root of 53559330 is about 7318.4240106733. The cubic root of 53559330 is about 376.9453398463.

The spelling of 53559330 in words is "fifty-three million, five hundred fifty-nine thousand, three hundred thirty".