65855052 has 48 divisors (see below), whose sum is σ = 173094880. Its totient is φ = 21648384.

The previous prime is 65855047. The next prime is 65855057. The reversal of 65855052 is 25055856.

65855052 is a `hidden beast` number, since 6 + 58 + 550 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (65855047) and next prime (65855057).

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

It is a junction number, because it is equal to n+sod(n) for n = 65854998 and 65855016.

It is not an unprimeable number, because it can be changed into a prime (65855057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3708 + ... + 12060.

Almost surely, 2^65855052 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 65855052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86547440).

65855052 is an abundant number, since it is smaller than the sum of its proper divisors (107239828).

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

65855052 is a wasteful number, since it uses less digits than its factorization.

65855052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439 (or 8431 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 65855052 is about 8115.1125685353. The cubic root of 65855052 is about 403.8279419605.

The spelling of 65855052 in words is "sixty-five million, eight hundred fifty-five thousand, fifty-two".