65275560 has 96 divisors (see below), whose sum is σ = 242461440. Its totient is φ = 14919552.

The previous prime is 65275547. The next prime is 65275571. The reversal of 65275560 is 6557256.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10432 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (2525640).

Almost surely, 2^65275560 is an apocalyptic number.

65275560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65275560 is an abundant number, since it is smaller than the sum of its proper divisors (177185880).

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

65275560 is a wasteful number, since it uses less digits than its factorization.

65275560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25927 (or 25920 counting only the distinct ones).

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

The square root of 65275560 is about 8079.3291800743. The cubic root of 65275560 is about 402.6399549307.

It can be divided in two parts, 65 and 275560, that added together give a square (275625 = 525²).

The spelling of 65275560 in words is "sixty-five million, two hundred seventy-five thousand, five hundred sixty".