65532620 has 24 divisors (see below), whose sum is σ = 145714464. Its totient is φ = 24670976.

The previous prime is 65532601. The next prime is 65532629. The reversal of 65532620 is 2623556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65532629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96032 + ... + 96711.

It is an arithmetic number, because the mean of its divisors is an integer number (6071436).

Almost surely, 2^65532620 is an apocalyptic number.

It is an amenable number.

65532620 is an abundant number, since it is smaller than the sum of its proper divisors (80181844).

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

65532620 is a wasteful number, since it uses less digits than its factorization.

65532620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192769 (or 192767 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 65532620 is about 8095.2220476031. Note that the first 3 decimals coincide. The cubic root of 65532620 is about 403.1678046409.

The spelling of 65532620 in words is "sixty-five million, five hundred thirty-two thousand, six hundred twenty".