56054738889 has 12 divisors (see below), whose sum is σ = 81018174276. Its totient is φ = 37346648352.

The previous prime is 56054738837. The next prime is 56054738933. The reversal of 56054738889 is 98883745065.

56054738889 is a `hidden beast` number, since 5 + 6 + 0 + 5 + 473 + 88 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24937778889 + 31116960000 = 157917^2 + 176400^2 .

It is not a de Polignac number, because 56054738889 - 2⁸ = 56054738633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56054738819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916142 + ... + 1945175.

It is an arithmetic number, because the mean of its divisors is an integer number (6751514523).

Almost surely, 2^56054738889 is an apocalyptic number.

It is an amenable number.

56054738889 is a deficient number, since it is larger than the sum of its proper divisors (24963435387).

56054738889 is a wasteful number, since it uses less digits than its factorization.

56054738889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862936 (or 3862933 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 56054738889 in words is "fifty-six billion, fifty-four million, seven hundred thirty-eight thousand, eight hundred eighty-nine".