55555049965 has 16 divisors (see below), whose sum is σ = 69578466048. Its totient is φ = 42503207296.

The previous prime is 55555049941. The next prime is 55555049971. The reversal of 55555049965 is 56994055555.

It is a cyclic number.

It is not a de Polignac number, because 55555049965 - 2⁹ = 55555049453 is a prime.

It is a super-2 number, since 2×55555049965² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564297 + ... + 655393.

It is an arithmetic number, because the mean of its divisors is an integer number (4348654128).

Almost surely, 2^55555049965 is an apocalyptic number.

It is an amenable number.

55555049965 is a deficient number, since it is larger than the sum of its proper divisors (14023416083).

55555049965 is a wasteful number, since it uses less digits than its factorization.

55555049965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96428.

The product of its (nonzero) digits is 30375000, while the sum is 58.

The spelling of 55555049965 in words is "fifty-five billion, five hundred fifty-five million, forty-nine thousand, nine hundred sixty-five".