53505554865 has 128 divisors (see below), whose sum is σ = 104079360000. Its totient is φ = 22928438016.

The previous prime is 53505554831. The next prime is 53505554891. The reversal of 53505554865 is 56845550535.

It is not a de Polignac number, because 53505554865 - 2²¹ = 53503457713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 121880316 + ... + 121880754.

It is an arithmetic number, because the mean of its divisors is an integer number (813120000).

Almost surely, 2^53505554865 is an apocalyptic number.

It is an amenable number.

53505554865 is a deficient number, since it is larger than the sum of its proper divisors (50573805135).

53505554865 is a wasteful number, since it uses less digits than its factorization.

53505554865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 9000000, while the sum is 51.

The spelling of 53505554865 in words is "fifty-three billion, five hundred five million, five hundred fifty-four thousand, eight hundred sixty-five".