32552940 has 96 divisors (see below), whose sum is σ = 104993280. Its totient is φ = 7382016.

The previous prime is 32552917. The next prime is 32552941. The reversal of 32552940 is 4925523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 32552898 and 32552907.

It is not an unprimeable number, because it can be changed into a prime (32552941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74964 + ... + 75396.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^32552940 is an apocalyptic number.

32552940 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 32552940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52496640).

32552940 is an abundant number, since it is smaller than the sum of its proper divisors (72440340).

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

32552940 is a wasteful number, since it uses less digits than its factorization.

32552940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 32552940 is about 5705.5183813568. The cubic root of 32552940 is about 319.2983977522.

The spelling of 32552940 in words is "thirty-two million, five hundred fifty-two thousand, nine hundred forty".