56554477 has 6 divisors (see below), whose sum is σ = 65787918. Its totient is φ = 48475224.

The previous prime is 56554471. The next prime is 56554501. The reversal of 56554477 is 77445565.

It can be written as a sum of positive squares in only one way, i.e., 52794756 + 3759721 = 7266^2 + 1939^2 .

It is not a de Polignac number, because 56554477 - 2¹⁹ = 56030189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554471) 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, 577038 + ... + 577135.

It is an arithmetic number, because the mean of its divisors is an integer number (10964653).

Almost surely, 2^56554477 is an apocalyptic number.

It is an amenable number.

56554477 is a deficient number, since it is larger than the sum of its proper divisors (9233441).

56554477 is a wasteful number, since it uses less digits than its factorization.

56554477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154187 (or 1154180 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 56554477 is about 7520.2710722420. The cubic root of 56554477 is about 383.8448017399.

The spelling of 56554477 in words is "fifty-six million, five hundred fifty-four thousand, four hundred seventy-seven".