83552420 has 24 divisors (see below), whose sum is σ = 200526144. Its totient is φ = 28646496.

The previous prime is 83552419. The next prime is 83552429. The reversal of 83552420 is 2425538.

It is not an unprimeable number, because it can be changed into a prime (83552429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298262 + ... + 298541.

It is an arithmetic number, because the mean of its divisors is an integer number (8355256).

Almost surely, 2^83552420 is an apocalyptic number.

It is an amenable number.

83552420 is an abundant number, since it is smaller than the sum of its proper divisors (116973724).

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

83552420 is a wasteful number, since it uses less digits than its factorization.

83552420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596819 (or 596817 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 83552420 is about 9140.7012860065. The cubic root of 83552420 is about 437.1726770737.

Adding to 83552420 its reverse (2425538), we get a palindrome (85977958).

The spelling of 83552420 in words is "eighty-three million, five hundred fifty-two thousand, four hundred twenty".