56054662577 has 4 divisors (see below), whose sum is σ = 56463820836. Its totient is φ = 55645504320.

The previous prime is 56054662567. The next prime is 56054662603. The reversal of 56054662577 is 77526645065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26070623296 + 29984039281 = 161464^2 + 173159^2 .

It is a cyclic number.

It is not a de Polignac number, because 56054662577 - 2¹⁶ = 56054597041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56054662567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204578924 + ... + 204579197.

It is an arithmetic number, because the mean of its divisors is an integer number (14115955209).

Almost surely, 2^56054662577 is an apocalyptic number.

It is an amenable number.

56054662577 is a deficient number, since it is larger than the sum of its proper divisors (409158259).

56054662577 is a wasteful number, since it uses less digits than its factorization.

56054662577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409158258.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 56054662577 in words is "fifty-six billion, fifty-four million, six hundred sixty-two thousand, five hundred seventy-seven".