65432855 has 4 divisors (see below), whose sum is σ = 78519432. Its totient is φ = 52346280.

The previous prime is 65432831. The next prime is 65432867. The reversal of 65432855 is 55823456.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65432855 - 2⁶ = 65432791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6543281 + ... + 6543290.

It is an arithmetic number, because the mean of its divisors is an integer number (19629858).

Almost surely, 2^65432855 is an apocalyptic number.

65432855 is a deficient number, since it is larger than the sum of its proper divisors (13086577).

65432855 is a wasteful number, since it uses less digits than its factorization.

65432855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13086576.

The product of its digits is 144000, while the sum is 38.

The square root of 65432855 is about 8089.0577325174. The cubic root of 65432855 is about 402.9631103260.

The spelling of 65432855 in words is "sixty-five million, four hundred thirty-two thousand, eight hundred fifty-five".