65852556 has 192 divisors, whose sum is σ = 209879040. Its totient is φ = 15681600.

The previous prime is 65852539. The next prime is 65852573. The reversal of 65852556 is 65525856.

It is an interprime number because it is at equal distance from previous prime (65852539) and next prime (65852573).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2124261 + ... + 2124291.

It is an arithmetic number, because the mean of its divisors is an integer number (1093120).

Almost surely, 2^65852556 is an apocalyptic number.

65852556 is a gapful number since it is divisible by the number (66) 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 65852556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104939520).

65852556 is an abundant number, since it is smaller than the sum of its proper divisors (144026484).

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

65852556 is a wasteful number, since it uses less digits than its factorization.

65852556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 73 counting only the distinct ones).

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

The square root of 65852556 is about 8114.9587799323. The cubic root of 65852556 is about 403.8228400119.

The spelling of 65852556 in words is "sixty-five million, eight hundred fifty-two thousand, five hundred fifty-six".