55557983 has 16 divisors (see below), whose sum is σ = 62496000. Its totient is φ = 49040640.

The previous prime is 55557967. The next prime is 55558001. The reversal of 55557983 is 38975555.

It is a cyclic number.

It is not a de Polignac number, because 55557983 - 2⁴ = 55557967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55557923) 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, 35093 + ... + 36641.

It is an arithmetic number, because the mean of its divisors is an integer number (3906000).

Almost surely, 2^55557983 is an apocalyptic number.

55557983 is a deficient number, since it is larger than the sum of its proper divisors (6938017).

55557983 is a wasteful number, since it uses less digits than its factorization.

55557983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its digits is 945000, while the sum is 47.

The square root of 55557983 is about 7453.7227611443. The cubic root of 55557983 is about 381.5769715640.

The spelling of 55557983 in words is "fifty-five million, five hundred fifty-seven thousand, nine hundred eighty-three".