65554543315 has 4 divisors (see below), whose sum is σ = 78665451984. Its totient is φ = 52443634648.

The previous prime is 65554543289. The next prime is 65554543333. The reversal of 65554543315 is 51334545556.

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

It is a cyclic number.

It is not a de Polignac number, because 65554543315 - 2⁹ = 65554542803 is a prime.

It is a super-2 number, since 2×65554543315² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 6555454327 + ... + 6555454336.

It is an arithmetic number, because the mean of its divisors is an integer number (19666362996).

Almost surely, 2^65554543315 is an apocalyptic number.

65554543315 is a deficient number, since it is larger than the sum of its proper divisors (13110908669).

65554543315 is a wasteful number, since it uses less digits than its factorization.

65554543315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110908668.

The product of its digits is 2700000, while the sum is 46.

The spelling of 65554543315 in words is "sixty-five billion, five hundred fifty-four million, five hundred forty-three thousand, three hundred fifteen".