56650510155 has 16 divisors (see below), whose sum is σ = 90737162784. Its totient is φ = 30181489920.

The previous prime is 56650510151. The next prime is 56650510199. The reversal of 56650510155 is 55101505665.

It is not a de Polignac number, because 56650510155 - 2² = 56650510151 is a prime.

It is a super-3 number, since 3×56650510155³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56650510151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992634 + ... + 2020863.

It is an arithmetic number, because the mean of its divisors is an integer number (5671072674).

Almost surely, 2^56650510155 is an apocalyptic number.

56650510155 is a deficient number, since it is larger than the sum of its proper divisors (34086652629).

56650510155 is a wasteful number, since it uses less digits than its factorization.

56650510155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014446.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 56650510155 in words is "fifty-six billion, six hundred fifty million, five hundred ten thousand, one hundred fifty-five".