55563540057 has 16 divisors (see below), whose sum is σ = 82669654080. Its totient is φ = 36883375776.

The previous prime is 55563540049. The next prime is 55563540077. The reversal of 55563540057 is 75004536555.

55563540057 is a `hidden beast` number, since 5 + 5 + 5 + 635 + 4 + 0 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 55563540057 - 2³ = 55563540049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55563539994 and 55563540021.

It is not an unprimeable number, because it can be changed into a prime (55563540037) 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, 4409823 + ... + 4422404.

It is an arithmetic number, because the mean of its divisors is an integer number (5166853380).

Almost surely, 2^55563540057 is an apocalyptic number.

It is an amenable number.

55563540057 is a deficient number, since it is larger than the sum of its proper divisors (27106114023).

55563540057 is a wasteful number, since it uses less digits than its factorization.

55563540057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832469 (or 8832463 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 45.

The spelling of 55563540057 in words is "fifty-five billion, five hundred sixty-three million, five hundred forty thousand, fifty-seven".