65555020352 has 28 divisors (see below), whose sum is σ = 130100655216. Its totient is φ = 32773752960.

The previous prime is 65555020337. The next prime is 65555020361. The reversal of 65555020352 is 25302055556.

It is a super-2 number, since 2×65555020352² (a number of 22 digits) contains 22 as substring.

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, 553463 + ... + 661385.

It is an arithmetic number, because the mean of its divisors is an integer number (4646451972).

Almost surely, 2^65555020352 is an apocalyptic number.

It is an amenable number.

65555020352 is a deficient number, since it is larger than the sum of its proper divisors (64545634864).

65555020352 is a wasteful number, since it uses less digits than its factorization.

65555020352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117426 (or 117416 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 65555020352 in words is "sixty-five billion, five hundred fifty-five million, twenty thousand, three hundred fifty-two".