55500005506 has 8 divisors (see below), whose sum is σ = 90818190864. Its totient is φ = 25227275220.

The previous prime is 55500005489. The next prime is 55500005543. The reversal of 55500005506 is 60550000555.

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

It is a super-2 number, since 2×55500005506² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261363740 + ... + 1261363783.

It is an arithmetic number, because the mean of its divisors is an integer number (11352273858).

Almost surely, 2^55500005506 is an apocalyptic number.

55500005506 is a deficient number, since it is larger than the sum of its proper divisors (35318185358).

55500005506 is a wasteful number, since it uses less digits than its factorization.

55500005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522727536.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55500005506 in words is "fifty-five billion, five hundred million, five thousand, five hundred six".