55055505051 has 12 divisors (see below), whose sum is σ = 81673932912. Its totient is φ = 35711678736.

The previous prime is 55055505049. The next prime is 55055505103. The reversal of 55055505051 is 15050555055.

It is a happy number.

55055505051 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 550 + 50 + 51 = 666.

It is not a de Polignac number, because 55055505051 - 2¹ = 55055505049 is a prime.

It is a super-2 number, since 2×55055505051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055504997 and 55055505015.

It is not an unprimeable number, because it can be changed into a prime (55055505551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82665591 + ... + 82666256.

It is an arithmetic number, because the mean of its divisors is an integer number (6806161076).

Almost surely, 2^55055505051 is an apocalyptic number.

55055505051 is a deficient number, since it is larger than the sum of its proper divisors (26618427861).

55055505051 is a wasteful number, since it uses less digits than its factorization.

55055505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165331890 (or 165331887 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 55055505051 in words is "fifty-five billion, fifty-five million, five hundred five thousand, fifty-one".