55055555550051 has 8 divisors (see below), whose sum is σ = 83894179885824. Its totient is φ = 31460317457160.

The previous prime is 55055555549971. The next prime is 55055555550067. The reversal of 55055555550051 is 15005555555055.

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

It is not a de Polignac number, because 55055555550051 - 2⁹ = 55055555549539 is a prime.

It is a super-2 number, since 2×55055555550051² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55055555549976 and 55055555550003.

It is not an unprimeable number, because it can be changed into a prime (55055555550251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310846560695 + ... + 1310846560736.

It is an arithmetic number, because the mean of its divisors is an integer number (10486772485728).

Almost surely, 2^{55055555550051} is an apocalyptic number.

55055555550051 is a deficient number, since it is larger than the sum of its proper divisors (28838624335773).

55055555550051 is a wasteful number, since it uses less digits than its factorization.

55055555550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621693121441.

The product of its (nonzero) digits is 9765625, while the sum is 51.

The spelling of 55055555550051 in words is "fifty-five trillion, fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, fifty-one".