55055555530 has 32 divisors (see below), whose sum is σ = 104957893584. Its totient is φ = 20721171456.

The previous prime is 55055555521. The next prime is 55055555539. The reversal of 55055555530 is 3555555055.

It is an interprime number because it is at equal distance from previous prime (55055555521) and next prime (55055555539).

It can be written as a sum of positive squares in 8 ways, for example, as 46471718329 + 8583837201 = 215573^2 + 92649^2 .

It is a super-2 number, since 2×55055555530² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055555539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612984 + ... + 697036.

Almost surely, 2^55055555530 is an apocalyptic number.

55055555530 is a deficient number, since it is larger than the sum of its proper divisors (49902338054).

55055555530 is a wasteful number, since it uses less digits than its factorization.

55055555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87930.

The product of its (nonzero) digits is 1171875, while the sum is 43.

The spelling of 55055555530 in words is "fifty-five billion, fifty-five million, five hundred fifty-five thousand, five hundred thirty".