55611060550 has 48 divisors (see below), whose sum is σ = 105619815792. Its totient is φ = 21779366400.

The previous prime is 55611060539. The next prime is 55611060551. The reversal of 55611060550 is 5506011655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55611060551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444445 + ... + 555655.

It is an arithmetic number, because the mean of its divisors is an integer number (2200412829).

Almost surely, 2^55611060550 is an apocalyptic number.

55611060550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55611060550 is a deficient number, since it is larger than the sum of its proper divisors (50008755242).

55611060550 is a wasteful number, since it uses less digits than its factorization.

55611060550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111433 (or 111428 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55611060550 in words is "fifty-five billion, six hundred eleven million, sixty thousand, five hundred fifty".