65564230 has 16 divisors (see below), whose sum is σ = 118548864. Its totient is φ = 26107200.

The previous prime is 65564221. The next prime is 65564243. The reversal of 65564230 is 3246556.

It is a junction number, because it is equal to n+sod(n) for n = 65564192 and 65564201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12471 + ... + 16930.

It is an arithmetic number, because the mean of its divisors is an integer number (7409304).

Almost surely, 2^65564230 is an apocalyptic number.

65564230 is a deficient number, since it is larger than the sum of its proper divisors (52984634).

65564230 is a wasteful number, since it uses less digits than its factorization.

65564230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29631.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 65564230 is about 8097.1741984473. The cubic root of 65564230 is about 403.2326175834.

The spelling of 65564230 in words is "sixty-five million, five hundred sixty-four thousand, two hundred thirty".