55710909717 has 16 divisors (see below), whose sum is σ = 78195768000. Its totient is φ = 35183579904.

The previous prime is 55710909707. The next prime is 55710909743. The reversal of 55710909717 is 71790901755.

It is not a de Polignac number, because 55710909717 - 2⁸ = 55710909461 is a prime.

It is a super-2 number, since 2×55710909717² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55710909717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55710909707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630909 + ... + 1664717.

It is an arithmetic number, because the mean of its divisors is an integer number (4887235500).

Almost surely, 2^55710909717 is an apocalyptic number.

55710909717 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55710909717 is a deficient number, since it is larger than the sum of its proper divisors (22484858283).

55710909717 is a wasteful number, since it uses less digits than its factorization.

55710909717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62740.

The product of its (nonzero) digits is 694575, while the sum is 51.

The spelling of 55710909717 in words is "fifty-five billion, seven hundred ten million, nine hundred nine thousand, seven hundred seventeen".