55778110810 has 16 divisors (see below), whose sum is σ = 100530497736. Its totient is φ = 22282378048.

The previous prime is 55778110789. The next prime is 55778110841. The reversal of 55778110810 is 1801187755.

It can be written as a sum of positive squares in 4 ways, for example, as 44832557169 + 10945553641 = 211737^2 + 104621^2 .

It is a super-3 number, since 3×55778110810³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3600169 + ... + 3615628.

Almost surely, 2^55778110810 is an apocalyptic number.

55778110810 is a deficient number, since it is larger than the sum of its proper divisors (44752386926).

55778110810 is a wasteful number, since it uses less digits than its factorization.

55778110810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216577.

The product of its (nonzero) digits is 78400, while the sum is 43.

The spelling of 55778110810 in words is "fifty-five billion, seven hundred seventy-eight million, one hundred ten thousand, eight hundred ten".