65053560 has 256 divisors, whose sum is σ = 243855360. Its totient is φ = 13639680.

The previous prime is 65053559. The next prime is 65053561. The reversal of 65053560 is 6535056.

65053560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65053559) and next prime (65053561).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291609 + ... + 291831.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^65053560 is an apocalyptic number.

65053560 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 65053560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121927680).

65053560 is an abundant number, since it is smaller than the sum of its proper divisors (178801800).

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

65053560 is a wasteful number, since it uses less digits than its factorization.

65053560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 65053560 is about 8065.5787145127. The cubic root of 65053560 is about 402.1829814739.

The spelling of 65053560 in words is "sixty-five million, fifty-three thousand, five hundred sixty".