55558428535 has 16 divisors (see below), whose sum is σ = 70599075552. Its totient is φ = 41827968000.

The previous prime is 55558428529. The next prime is 55558428539. The reversal of 55558428535 is 53582485555.

It is not a de Polignac number, because 55558428535 - 2¹⁹ = 55557904247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55558428539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990235 + ... + 1044835.

It is an arithmetic number, because the mean of its divisors is an integer number (4412442222).

Almost surely, 2^55558428535 is an apocalyptic number.

55558428535 is a deficient number, since it is larger than the sum of its proper divisors (15040647017).

55558428535 is a wasteful number, since it uses less digits than its factorization.

55558428535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66594.

The product of its digits is 24000000, while the sum is 55.

The spelling of 55558428535 in words is "fifty-five billion, five hundred fifty-eight million, four hundred twenty-eight thousand, five hundred thirty-five".