65552760 has 512 divisors, whose sum is σ = 290304000. Its totient is φ = 12773376.

The previous prime is 65552749. The next prime is 65552761. The reversal of 65552760 is 6725556.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65552761) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2260426 + ... + 2260454.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^65552760 is an apocalyptic number.

65552760 is a gapful number since it is divisible by the number (60) 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 65552760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).

65552760 is an abundant number, since it is smaller than the sum of its proper divisors (224751240).

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

65552760 is a wasteful number, since it uses less digits than its factorization.

65552760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 65552760 is about 8096.4658956856. The cubic root of 65552760 is about 403.2091019771.

The spelling of 65552760 in words is "sixty-five million, five hundred fifty-two thousand, seven hundred sixty".