65456772055 has 32 divisors (see below), whose sum is σ = 81088128000. Its totient is φ = 50702725632.

The previous prime is 65456772037. The next prime is 65456772067. The reversal of 65456772055 is 55027765456.

It is a cyclic number.

It is not a de Polignac number, because 65456772055 - 2¹¹ = 65456770007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65456771993 and 65456772011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6193866 + ... + 6204424.

It is an arithmetic number, because the mean of its divisors is an integer number (2534004000).

Almost surely, 2^65456772055 is an apocalyptic number.

65456772055 is a deficient number, since it is larger than the sum of its proper divisors (15631355945).

65456772055 is a wasteful number, since it uses less digits than its factorization.

65456772055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 65456772055 in words is "sixty-five billion, four hundred fifty-six million, seven hundred seventy-two thousand, fifty-five".