56550343155 has 32 divisors (see below), whose sum is σ = 92155077120. Its totient is φ = 29605927680.

The previous prime is 56550343151. The next prime is 56550343181. The reversal of 56550343155 is 55134305565.

It is not a de Polignac number, because 56550343155 - 2² = 56550343151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56550343151) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 108666 + ... + 353424.

It is an arithmetic number, because the mean of its divisors is an integer number (2879846160).

Almost surely, 2^56550343155 is an apocalyptic number.

56550343155 is a deficient number, since it is larger than the sum of its proper divisors (35604733965).

56550343155 is a wasteful number, since it uses less digits than its factorization.

56550343155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245051.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 56550343155 in words is "fifty-six billion, five hundred fifty million, three hundred forty-three thousand, one hundred fifty-five".