65055856 has 30 divisors (see below), whose sum is σ = 130273656. Its totient is φ = 31471200.

The previous prime is 65055847. The next prime is 65055869. The reversal of 65055856 is 65855056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13261 + ... + 17491.

Almost surely, 2^65055856 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 65055856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65136828).

65055856 is an abundant number, since it is smaller than the sum of its proper divisors (65217800).

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

65055856 is a wasteful number, since it uses less digits than its factorization.

65055856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 65055856 is about 8065.7210465029. The cubic root of 65055856 is about 402.1877129662.

The spelling of 65055856 in words is "sixty-five million, fifty-five thousand, eight hundred fifty-six".