55631733065 has 16 divisors (see below), whose sum is σ = 68484261888. Its totient is φ = 43363093056.

The previous prime is 55631733043. The next prime is 55631733071. The reversal of 55631733065 is 56033713655.

It is a cyclic number.

It is not a de Polignac number, because 55631733065 - 2⁸ = 55631732809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478382 + ... + 583191.

It is an arithmetic number, because the mean of its divisors is an integer number (4280266368).

Almost surely, 2^55631733065 is an apocalyptic number.

It is an amenable number.

55631733065 is a deficient number, since it is larger than the sum of its proper divisors (12852528823).

55631733065 is a wasteful number, since it uses less digits than its factorization.

55631733065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061848.

The product of its (nonzero) digits is 850500, while the sum is 44.

The spelling of 55631733065 in words is "fifty-five billion, six hundred thirty-one million, seven hundred thirty-three thousand, sixty-five".