55005555610 has 8 divisors (see below), whose sum is σ = 99010000116. Its totient is φ = 22002222240.

The previous prime is 55005555491. The next prime is 55005555611. The reversal of 55005555610 is 1655550055.

It can be written as a sum of positive squares in 2 ways, for example, as 53367006169 + 1638549441 = 231013^2 + 40479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55005555610² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55005555610.

It is not an unprimeable number, because it can be changed into a prime (55005555611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750277771 + ... + 2750277790.

Almost surely, 2^55005555610 is an apocalyptic number.

55005555610 is a deficient number, since it is larger than the sum of its proper divisors (44004444506).

55005555610 is a wasteful number, since it uses less digits than its factorization.

55005555610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500555568.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 55005555610 in words is "fifty-five billion, five million, five hundred fifty-five thousand, six hundred ten".