88573530 has 64 divisors (see below), whose sum is σ = 220123008. Its totient is φ = 22794240.

The previous prime is 88573501. The next prime is 88573559. The reversal of 88573530 is 3537588.

It is an interprime number because it is at equal distance from previous prime (88573501) and next prime (88573559).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 131274 + ... + 131946.

It is an arithmetic number, because the mean of its divisors is an integer number (3439422).

Almost surely, 2^88573530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88573530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110061504).

88573530 is an abundant number, since it is smaller than the sum of its proper divisors (131549478).

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

88573530 is a wasteful number, since it uses less digits than its factorization.

88573530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 88573530 is about 9411.3511251042. The cubic root of 88573530 is about 445.7602289274.

The spelling of 88573530 in words is "eighty-eight million, five hundred seventy-three thousand, five hundred thirty".