55055000277778 has 8 divisors (see below), whose sum is σ = 82766425808700. Its totient is φ = 27466191674880.

The previous prime is 55055000277749. The next prime is 55055000277779. The reversal of 55055000277778 is 87777200055055.

It can be written as a sum of positive squares in 2 ways, for example, as 51658819383649 + 3396180894129 = 7187407^2 + 1842873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55055000277778² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055000277779) 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, 30654230883 + ... + 30654232678.

Almost surely, 2^{55055000277778} is an apocalyptic number.

55055000277778 is a deficient number, since it is larger than the sum of its proper divisors (27711425530922).

55055000277778 is a wasteful number, since it uses less digits than its factorization.

55055000277778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61308464012.

The product of its (nonzero) digits is 24010000, while the sum is 58.

The spelling of 55055000277778 in words is "fifty-five trillion, fifty-five billion, two hundred seventy-seven thousand, seven hundred seventy-eight".