65654545 has 32 divisors (see below), whose sum is σ = 88833024. Its totient is φ = 46176000.

The previous prime is 65654543. The next prime is 65654591. The reversal of 65654545 is 54545656.

65654545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 65654545 - 2¹ = 65654543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65654498 and 65654507.

It is not an unprimeable number, because it can be changed into a prime (65654543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294304 + ... + 294526.

It is an arithmetic number, because the mean of its divisors is an integer number (2776032).

Almost surely, 2^65654545 is an apocalyptic number.

It is an amenable number.

65654545 is a deficient number, since it is larger than the sum of its proper divisors (23178479).

65654545 is a wasteful number, since it uses less digits than its factorization.

65654545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 360000, while the sum is 40.

The square root of 65654545 is about 8102.7492248002. The cubic root of 65654545 is about 403.4176841696.

Subtracting from 65654545 its reverse (54545656), we obtain a square (11108889 = 3333²).

The spelling of 65654545 in words is "sixty-five million, six hundred fifty-four thousand, five hundred forty-five".