55500500550055 has 32 divisors (see below), whose sum is σ = 75161699807040. Its totient is φ = 38971543403520.

The previous prime is 55500500550013. The next prime is 55500500550071. The reversal of 55500500550055 is 55005500500555.

It is not a de Polignac number, because 55500500550055 - 2⁴³ = 46704407527847 is a prime.

It is a super-2 number, since 2×55500500550055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 121849197 + ... + 122303833.

It is an arithmetic number, because the mean of its divisors is an integer number (2348803118970).

Almost surely, 2^{55500500550055} is an apocalyptic number.

55500500550055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55500500550055 is a deficient number, since it is larger than the sum of its proper divisors (19661199256985).

55500500550055 is a wasteful number, since it uses less digits than its factorization.

55500500550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531219.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55500500550055 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred fifty thousand, fifty-five".