55505495061 has 12 divisors (see below), whose sum is σ = 80176932940. Its totient is φ = 37002588480.

The previous prime is 55505495047. The next prime is 55505495099. The reversal of 55505495061 is 16059450555.

55505495061 is a `hidden beast` number, since 5 + 5 + 50 + 549 + 50 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12690022500 + 42815472561 = 112650^2 + 206919^2 .

It is not a de Polignac number, because 55505495061 - 2⁶ = 55505494997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55505494998 and 55505495016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505499061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352071 + ... + 484731.

Almost surely, 2^55505495061 is an apocalyptic number.

It is an amenable number.

55505495061 is a deficient number, since it is larger than the sum of its proper divisors (24671437879).

55505495061 is a wasteful number, since it uses less digits than its factorization.

55505495061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179156 (or 179153 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 55505495061 in words is "fifty-five billion, five hundred five million, four hundred ninety-five thousand, sixty-one".