65855854 has 8 divisors (see below), whose sum is σ = 103078800. Its totient is φ = 31496256.

The previous prime is 65855851. The next prime is 65855861. The reversal of 65855854 is 45855856.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 1431649 = 65855854 / (6 + 5 + 8 + 5 + 5 + 8 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715779 + ... + 715870.

It is an arithmetic number, because the mean of its divisors is an integer number (12884850).

Almost surely, 2^65855854 is an apocalyptic number.

65855854 is a deficient number, since it is larger than the sum of its proper divisors (37222946).

65855854 is a wasteful number, since it uses less digits than its factorization.

65855854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431674.

The product of its digits is 960000, while the sum is 46.

The square root of 65855854 is about 8115.1619823636. The cubic root of 65855854 is about 403.8295812612.

It can be divided in two parts, 6585 and 5854, that multiplied together give a triangular number (38548590 = T₈₇₈₀).

The spelling of 65855854 in words is "sixty-five million, eight hundred fifty-five thousand, eight hundred fifty-four".