55550110061 has 4 divisors (see below), whose sum is σ = 58817763612. Its totient is φ = 52282456512.

The previous prime is 55550110037. The next prime is 55550110067. The reversal of 55550110061 is 16001105555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48103455625 + 7446654436 = 219325^2 + 86294^2 .

It is a cyclic number.

It is not a de Polignac number, because 55550110061 - 2⁶ = 55550109997 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 (55550110067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633826750 + ... + 1633826783.

It is an arithmetic number, because the mean of its divisors is an integer number (14704440903).

Almost surely, 2^55550110061 is an apocalyptic number.

It is an amenable number.

55550110061 is a deficient number, since it is larger than the sum of its proper divisors (3267653551).

55550110061 is a wasteful number, since it uses less digits than its factorization.

55550110061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267653550.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55550110061 in words is "fifty-five billion, five hundred fifty million, one hundred ten thousand, sixty-one".