55960648505 has 16 divisors (see below), whose sum is σ = 68402283840. Its totient is φ = 43943193792.

The previous prime is 55960648487. The next prime is 55960648517. The reversal of 55960648505 is 50584606955.

It is a cyclic number.

It is not a de Polignac number, because 55960648505 - 2²⁴ = 55943871289 is a prime.

It is a super-2 number, since 2×55960648505² (a number of 22 digits) contains 22 as substring.

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, 421499 + ... + 538128.

It is an arithmetic number, because the mean of its divisors is an integer number (4275142740).

Almost surely, 2^55960648505 is an apocalyptic number.

It is an amenable number.

55960648505 is a deficient number, since it is larger than the sum of its proper divisors (12441635335).

55960648505 is a wasteful number, since it uses less digits than its factorization.

55960648505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959848.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 55960648505 in words is "fifty-five billion, nine hundred sixty million, six hundred forty-eight thousand, five hundred five".