55550555000555 has 32 divisors (see below), whose sum is σ = 71303254387200. Its totient is φ = 41399082035200.

The previous prime is 55550555000543. The next prime is 55550555000573. The reversal of 55550555000555 is 55500055505555.

It is not a de Polignac number, because 55550555000555 - 2¹² = 55550554996459 is a prime.

It is a super-2 number, since 2×55550555000555² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26167121 + ... + 28210269.

It is an arithmetic number, because the mean of its divisors is an integer number (2228226699600).

Almost surely, 2^{55550555000555} is an apocalyptic number.

55550555000555 is a deficient number, since it is larger than the sum of its proper divisors (15752699386645).

55550555000555 is a wasteful number, since it uses less digits than its factorization.

55550555000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046439.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55550555000555 in words is "fifty-five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five", and thus it is an aban number.