55555561060610 has 64 divisors (see below), whose sum is σ = 111431079254880. Its totient is φ = 19800998031360.

The previous prime is 55555561060591. The next prime is 55555561060633. The reversal of 55555561060610 is 1606016555555.

It can be written as a sum of positive squares in 16 ways, for example, as 9198840295681 + 46356720764929 = 3032959^2 + 6808577^2 .

It is a super-2 number, since 2×55555561060610² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15000554 + ... + 18333786.

Almost surely, 2^{55555561060610} is an apocalyptic number.

55555561060610 is an abundant number, since it is smaller than the sum of its proper divisors (55875518194270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55555561060610 is a wasteful number, since it uses less digits than its factorization.

55555561060610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337703.

The product of its (nonzero) digits is 3375000, while the sum is 50.

It can be divided in two parts, 5555556 and 1060610, that added together give a palindrome (6616166).

The spelling of 55555561060610 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred sixty-one million, sixty thousand, six hundred ten".