55515650705 has 16 divisors (see below), whose sum is σ = 66792648384. Its totient is φ = 44296697280.

The previous prime is 55515650621. The next prime is 55515650711. The reversal of 55515650705 is 50705651555.

It is a happy number.

It is not a de Polignac number, because 55515650705 - 2³⁴ = 38335781521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7618994 + ... + 7626276.

It is an arithmetic number, because the mean of its divisors is an integer number (4174540524).

Almost surely, 2^55515650705 is an apocalyptic number.

It is an amenable number.

55515650705 is a deficient number, since it is larger than the sum of its proper divisors (11276997679).

55515650705 is a wasteful number, since it uses less digits than its factorization.

55515650705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056.

The product of its (nonzero) digits is 656250, while the sum is 44.

The spelling of 55515650705 in words is "fifty-five billion, five hundred fifteen million, six hundred fifty thousand, seven hundred five".