55550606061 has 4 divisors (see below), whose sum is σ = 74067474752. Its totient is φ = 37033737372.

The previous prime is 55550606039. The next prime is 55550606099. The reversal of 55550606061 is 16060605555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55550606061 - 2⁵ = 55550606029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550606011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9258434341 + ... + 9258434346.

It is an arithmetic number, because the mean of its divisors is an integer number (18516868688).

Almost surely, 2^55550606061 is an apocalyptic number.

It is an amenable number.

55550606061 is a deficient number, since it is larger than the sum of its proper divisors (18516868691).

55550606061 is a wasteful number, since it uses less digits than its factorization.

55550606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18516868690.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 55550606061 in words is "fifty-five billion, five hundred fifty million, six hundred six thousand, sixty-one".