56655001505 has 16 divisors (see below), whose sum is σ = 72672211584. Its totient is φ = 42295989120.

The previous prime is 56655001463. The next prime is 56655001511. The reversal of 56655001505 is 50510055665.

It is not a de Polignac number, because 56655001505 - 2²⁴ = 56638224289 is a prime.

It is a Duffinian 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, 6003239 + ... + 6012668.

It is an arithmetic number, because the mean of its divisors is an integer number (4542013224).

Almost surely, 2^56655001505 is an apocalyptic number.

It is an amenable number.

56655001505 is a deficient number, since it is larger than the sum of its proper divisors (16017210079).

56655001505 is a wasteful number, since it uses less digits than its factorization.

56655001505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015976.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 56655001505 in words is "fifty-six billion, six hundred fifty-five million, one thousand, five hundred five".