56554827428 has 18 divisors (see below), whose sum is σ = 108786249558. Its totient is φ = 25706739520.

The previous prime is 56554827421. The next prime is 56554827437. The reversal of 56554827428 is 82472845565.

It can be written as a sum of positive squares in only one way, i.e., 36878593444 + 19676233984 = 192038^2 + 140272^2 .

It is a super-2 number, since 2×56554827428² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56554827421) 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 5 ways as a sum of consecutive naturals, for example, 58423925 + ... + 58424892.

It is an arithmetic number, because the mean of its divisors is an integer number (6043680531).

Almost surely, 2^56554827428 is an apocalyptic number.

It is an amenable number.

56554827428 is a deficient number, since it is larger than the sum of its proper divisors (52231422130).

56554827428 is a wasteful number, since it uses less digits than its factorization.

56554827428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116848843 (or 116848830 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 56.

The spelling of 56554827428 in words is "fifty-six billion, five hundred fifty-four million, eight hundred twenty-seven thousand, four hundred twenty-eight".