56554863277 has 16 divisors (see below), whose sum is σ = 64848615552. Its totient is φ = 48819147520.

The previous prime is 56554863257. The next prime is 56554863283. The reversal of 56554863277 is 77236845565.

It is a happy number.

It is not a de Polignac number, because 56554863277 - 2⁷ = 56554863149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554863227) 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, 781168 + ... + 850489.

It is an arithmetic number, because the mean of its divisors is an integer number (4053038472).

Almost surely, 2^56554863277 is an apocalyptic number.

It is an amenable number.

56554863277 is a deficient number, since it is larger than the sum of its proper divisors (8293752275).

56554863277 is a wasteful number, since it uses less digits than its factorization.

56554863277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631828.

The product of its digits is 42336000, while the sum is 58.

The spelling of 56554863277 in words is "fifty-six billion, five hundred fifty-four million, eight hundred sixty-three thousand, two hundred seventy-seven".