32552040 has 64 divisors (see below), whose sum is σ = 99279360. Its totient is φ = 8536320.

The previous prime is 32552033. The next prime is 32552041. The reversal of 32552040 is 4025523.

It is a junction number, because it is equal to n+sod(n) for n = 32551998 and 32552016.

It is not an unprimeable number, because it can be changed into a prime (32552041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5097 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (1551240).

Almost surely, 2^32552040 is an apocalyptic number.

32552040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32552040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49639680).

32552040 is an abundant number, since it is smaller than the sum of its proper divisors (66727320).

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

32552040 is a wasteful number, since it uses less digits than its factorization.

32552040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 32552040 is about 5705.4395098012. The cubic root of 32552040 is about 319.2954551485.

Adding to 32552040 its reverse (4025523), we get a palindrome (36577563).

The spelling of 32552040 in words is "thirty-two million, five hundred fifty-two thousand, forty".