56054886477 has 8 divisors (see below), whose sum is σ = 78673524960. Its totient is φ = 35403086160.

The previous prime is 56054886469. The next prime is 56054886479. The reversal of 56054886477 is 77468845065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56054886477 - 2³ = 56054886469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56054886477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56054886479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491709474 + ... + 491709587.

It is an arithmetic number, because the mean of its divisors is an integer number (9834190620).

Almost surely, 2^56054886477 is an apocalyptic number.

56054886477 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

56054886477 is a deficient number, since it is larger than the sum of its proper divisors (22618638483).

56054886477 is a wasteful number, since it uses less digits than its factorization.

56054886477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983419083.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 56054886477 in words is "fifty-six billion, fifty-four million, eight hundred eighty-six thousand, four hundred seventy-seven".