56554486131 has 16 divisors (see below), whose sum is σ = 88588846080. Its totient is φ = 31638873120.

The previous prime is 56554486129. The next prime is 56554486139. The reversal of 56554486131 is 13168445565.

It is not a de Polignac number, because 56554486131 - 2¹ = 56554486129 is a prime.

It is a super-2 number, since 2×56554486131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56554486139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65913891 + ... + 65914748.

It is an arithmetic number, because the mean of its divisors is an integer number (5536802880).

Almost surely, 2^56554486131 is an apocalyptic number.

56554486131 is a deficient number, since it is larger than the sum of its proper divisors (32034359949).

56554486131 is a wasteful number, since it uses less digits than its factorization.

56554486131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131828666.

The product of its digits is 1728000, while the sum is 48.

The spelling of 56554486131 in words is "fifty-six billion, five hundred fifty-four million, four hundred eighty-six thousand, one hundred thirty-one".