65855256 has 64 divisors (see below), whose sum is σ = 175115520. Its totient is φ = 20592000.

The previous prime is 65855219. The next prime is 65855261. The reversal of 65855256 is 65255856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28131 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (2736180).

Almost surely, 2^65855256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65855256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87557760).

65855256 is an abundant number, since it is smaller than the sum of its proper divisors (109260264).

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

65855256 is a wasteful number, since it uses less digits than its factorization.

65855256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2332 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The square root of 65855256 is about 8115.1251376673. The cubic root of 65855256 is about 403.8283589410.

The spelling of 65855256 in words is "sixty-five million, eight hundred fifty-five thousand, two hundred fifty-six".