55557056 has 28 divisors (see below), whose sum is σ = 110486952. Its totient is φ = 27717888.

The previous prime is 55557043. The next prime is 55557077. The reversal of 55557056 is 65075555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48911 + ... + 50033.

Almost surely, 2^55557056 is an apocalyptic number.

It is an amenable number.

55557056 is a deficient number, since it is larger than the sum of its proper divisors (54929896).

55557056 is a wasteful number, since it uses less digits than its factorization.

55557056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 38.

The square root of 55557056 is about 7453.6605771929. The cubic root of 55557056 is about 381.5748493138.

The spelling of 55557056 in words is "fifty-five million, five hundred fifty-seven thousand, fifty-six".