55055000061 has 6 divisors (see below), whose sum is σ = 79523888990. Its totient is φ = 36703333368.

The previous prime is 55055000041. The next prime is 55055000071. The reversal of 55055000061 is 16000055055.

55055000061 is a `hidden beast` number, since 5 + 50 + 550 + 0 + 0 + 0 + 61 = 666.

55055000061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51884183961 + 3170816100 = 227781^2 + 56310^2 .

It is not a de Polignac number, because 55055000061 - 2¹⁸ = 55054737917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55054999989 and 55055000034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055000041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3058611106 + ... + 3058611123.

Almost surely, 2^55055000061 is an apocalyptic number.

It is an amenable number.

55055000061 is a deficient number, since it is larger than the sum of its proper divisors (24468888929).

55055000061 is a wasteful number, since it uses less digits than its factorization.

55055000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117222235 (or 6117222232 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 55055000061 in words is "fifty-five billion, fifty-five million, sixty-one", and thus it is an aban number and an uban number.